| Regulation and Private Participation in the Water and Sanitation Sector, No. 1 (1998) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Romanian | 1998 | | technical-background-papers | private-sector urban water-services | global | 1998 | romanian |
| Regulation and Private Participation in the Water and Sanitation Sector, No. 1 (1998) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 1998 | | technical-background-papers | private-sector urban water-services | global | 1998 | english |
| Water as a Social and Economic Good: How to Put the Principle into Practice, No. 2 (1998) | Technical Background Papers | Private Sector | Global | Chinese | 1998 | | technical-background-papers | private-sector | global | 1998 | chinese |
| Water as a Social and Economic Good: How to Put the Principle into Practice, No. 2 (1998) | Technical Background Papers | Private Sector | Global | Russian | 1998 | | technical-background-papers | private-sector | global | 1998 | russian |
| Water as a Social and Economic Good: How to Put the Principle into Practice, No. 2 (1998) | Technical Background Papers | Private Sector | Global | Romanian | 1998 | | technical-background-papers | private-sector | global | 1998 | romanian |
| Water as a Social and Economic Good: How to Put the Principle into Practice, No. 2 (1998) | Technical Background Papers | Private Sector | Global | English | 1998 | | technical-background-papers | private-sector | global | 1998 | english |
| The Dublin Principles for Water as Reflected in a Comparatice Assessment of Institutional and Legal Arrangements for IWRM, No. 3 (1999) | Technical Background Papers | Gender, Water Services | Global | Romanian | 1999 | | technical-background-papers | gender water-services | global | 1999 | romanian |
| The Dublin Principles for Water as Reflected in a Comparatice Assessment of Institutional and Legal Arrangements for IWRM, No. 3 (1999) | Technical Background Papers | Gender, Water Services | Global | English | 1999 | | technical-background-papers | gender water-services | global | 1999 | english |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Hindi | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | hindi |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Arabic | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | arabic |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Russian | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | russian |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Chinese | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | chinese |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Romanian | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | romanian |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Spanish | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | spanish |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | French | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | french |
| Integrated Water Resources Management, No. 4 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | english |
| Letter to My Minister, No. 5 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Romanian | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | romanian |
| Letter to My Minister, No. 5 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | French | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | french |
| Letter to My Minister, No. 5 (2000) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2000 | | technical-background-papers | private-sector urban water-services | global | 2000 | english |
| Risk and Integrated Water Management, No.6 (2002) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Chinese | 2002 | | technical-background-papers | private-sector urban water-services | global | 2002 | chinese |
| Risk and Integrated Water Management, No.6 (2002) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Romanian | 2002 | | technical-background-papers | private-sector urban water-services | global | 2002 | romanian |
| Risk and Integrated Water Management, No.6 (2002) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Spanish | 2002 | | technical-background-papers | private-sector urban water-services | global | 2002 | spanish |
| Risk and Integrated Water Management, No.6 (2002) | Technical Background Papers | Private Sector, Urban, Water Services | Global | French | 2002 | | technical-background-papers | private-sector urban water-services | global | 2002 | french |
| Risk and Integrated Water Management, No.6 (2002) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2002 | | technical-background-papers | private-sector urban water-services | global | 2002 | english |
| Effective Water Governance, No. 7 (2003) | Technical Background Papers | Water Services | Global | Chinese | 2003 | | technical-background-papers | water-services | global | 2003 | chinese |
| Effective Water Governance, No. 7 (2003) | Technical Background Papers | Water Services | Global | Russian | 2003 | | technical-background-papers | water-services | global | 2003 | russian |
| Effective Water Governance, No. 7 (2003) | Technical Background Papers | Water Services | Global | Romanian | 2003 | | technical-background-papers | water-services | global | 2003 | romanian |
| Effective Water Governance, No. 7 (2003) | Technical Background Papers | Water Services | Global | Spanish | 2003 | | technical-background-papers | water-services | global | 2003 | spanish |
| Effective Water Governance, No. 7 (2003) | Technical Background Papers | Water Services | Global | French | 2003 | | technical-background-papers | water-services | global | 2003 | french |
| Effective Water Governance, No. 7 (2003) | Technical Background Papers | Water Services | Global | English | 2003 | | technical-background-papers | water-services | global | 2003 | english |
| Poverty Reduction and IWRM, No. 8 (2003) | Technical Background Papers | Water Services | Global | Romanian | 2003 | | technical-background-papers | water-services | global | 2003 | romanian |
| Poverty Reduction and IWRM, No. 8 (2003) | Technical Background Papers | Water Services | Global | Spanish | 2003 | | technical-background-papers | water-services | global | 2003 | spanish |
| Poverty Reduction and IWRM, No. 8 (2003) | Technical Background Papers | Water Services | Global | French | 2003 | | technical-background-papers | water-services | global | 2003 | french |
| Poverty Reduction and IWRM, No. 8 (2003) | Technical Background Papers | Water Services | Global | English | 2003 | | technical-background-papers | water-services | global | 2003 | english |
| Water Management and Eco Systems: Living with Change, No. 9 (2003) | Technical Background Papers | Nature-based Solutions | Global | Romanian | 2003 | | technical-background-papers | nature-based-solutions | global | 2003 | romanian |
| Water Management and Eco Systems: Living with Change, No. 9 (2003) | Technical Background Papers | Nature-based Solutions | Global | Chinese | 2003 | | technical-background-papers | nature-based-solutions | global | 2003 | chinese |
| Water Management and Eco Systems: Living with Change, No. 9 (2003) | Technical Background Papers | Nature-based Solutions | Global | Russian | 2003 | | technical-background-papers | nature-based-solutions | global | 2003 | russian |
| Water Management and Eco Systems: Living with Change, No. 9 (2003) | Technical Background Papers | Nature-based Solutions | Global | English | 2003 | | technical-background-papers | nature-based-solutions | global | 2003 | english |
| Integrated Water Resources Management (IWRM) and Water Efficiency Plans by 2005: Why, What, and How?, No. 10 (2004) | Technical Background Papers | Water Services | Global | Romanian | 2004 | | technical-background-papers | water-services | global | 2004 | romanian |
| Integrated Water Resources Management (IWRM) and Water Efficiency Plans by 2005: Why, What, and How?, No. 10 (2004) | Technical Background Papers | Water Services | Global | English | 2004 | | technical-background-papers | water-services | global | 2004 | english |
| Urban Water and Sanitation Services; An IWRM Approach, No.11 (2006) | Technical Background Papers | Urban, Water Services | Global | Romanian | 2006 | | technical-background-papers | urban water-services | global | 2006 | romanian |
| Urban Water and Sanitation Services; An IWRM Approach, No.11 (2006) | Technical Background Papers | Urban, Water Services | Global | Armenian | 2006 | | technical-background-papers | urban water-services | global | 2006 | armenian |
| Urban Water and Sanitation Services; An IWRM Approach, No.11 (2006) | Technical Background Papers | Urban, Water Services | Global | English | 2006 | | technical-background-papers | urban water-services | global | 2006 | english |
| Water Financing and Governance, No. 12 (2008) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Spanish | 2008 | | technical-background-papers | private-sector urban water-services | global | 2008 | spanish |
| Water Financing and Governance, No. 12 (2008) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Romanian | 2008 | | technical-background-papers | private-sector urban water-services | global | 2008 | romanian |
| Water Financing and Governance, No. 12 (2008) | Technical Background Papers | Private Sector, Urban, Water Services | Global | French | 2008 | | technical-background-papers | private-sector urban water-services | global | 2008 | french |
| Water Financing and Governance, No. 12 (2008) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2008 | | technical-background-papers | private-sector urban water-services | global | 2008 | english |
| Managing the Other Side of the Water Cycle: Making Wastewater an Asset, No. 13 (2009) | Technical Background Papers | Water Services | Global | Russian | 2009 | | technical-background-papers | water-services | global | 2009 | russian |
| Managing the Other Side of the Water Cycle: Making Wastewater an Asset, No. 13 (2009) | Technical Background Papers | Water Services | Global | Romanian | 2009 | | technical-background-papers | water-services | global | 2009 | romanian |
| Managing the Other Side of the Water Cycle: Making Wastewater an Asset, No. 13 (2009) | Technical Background Papers | Water Services | Global | English | 2009 | | technical-background-papers | water-services | global | 2009 | english |
| Water Management, Water Security and Climate Change Adaptation: Early Impacts and Essential Responses, No. 14 (2009) | Technical Background Papers | Climate | Global | Russian | 2009 | | technical-background-papers | climate | global | 2009 | russian |
| Water Management, Water Security and Climate Change Adaptation: Early Impacts and Essential Responses, No. 14 (2009) | Technical Background Papers | Climate | Global | Romanian | 2009 | | technical-background-papers | climate | global | 2009 | romanian |
| Water Management, Water Security and Climate Change Adaptation: Early Impacts and Essential Responses, No. 14 (2009) | Technical Background Papers | Climate | Global | Spanish | 2009 | | technical-background-papers | climate | global | 2009 | spanish |
| Water Management, Water Security and Climate Change Adaptation: Early Impacts and Essential Responses, No. 14 (2009) | Technical Background Papers | Climate | Global | French | 2009 | | technical-background-papers | climate | global | 2009 | french |
| Water Management, Water Security and Climate Change Adaptation: Early Impacts and Essential Responses, No. 14 (2009) | Technical Background Papers | Climate | Global | English | 2009 | | technical-background-papers | climate | global | 2009 | english |
| Social Equity and Integrated Water Resources Management, No. 15 (2011) | Technical Background Papers | Gender, Youth | Global | Romanian | 2011 | | technical-background-papers | gender youth | global | 2011 | romanian |
| Social Equity and Integrated Water Resources Management, No. 15 (2011) | Technical Background Papers | Gender, Youth | Global | English | 2011 | | technical-background-papers | gender youth | global | 2011 | english |
| Integrated Urban Water Management, No. 16 (2012) | Technical Background Papers | Urban, Water Services | Global | Spanish | 2012 | | technical-background-papers | urban water-services | global | 2012 | spanish |
| Integrated Urban Water Management, No. 16 (2012) | Technical Background Papers | Urban, Water Services | Global | Romanian | 2012 | | technical-background-papers | urban water-services | global | 2012 | romanian |
| Integrated Urban Water Management, No. 16 (2012) | Technical Background Papers | Urban, Water Services | Global | English | 2012 | | technical-background-papers | urban water-services | global | 2012 | english |
| International Law – Facilitating Transboundary Water Cooperation, No. 17 (2013) | Technical Background Papers | Transboundary | Global | Romanian | 2013 | | technical-background-papers | transboundary | global | 2013 | romanian |
| International Law – Facilitating Transboundary Water Cooperation, No. 17 (2013) | Technical Background Papers | Transboundary | Global | Spanish | 2013 | | technical-background-papers | transboundary | global | 2013 | spanish |
| International Law – Facilitating Transboundary Water Cooperation, No. 17 (2013) | Technical Background Papers | Transboundary | Global | Russian | 2013 | | technical-background-papers | transboundary | global | 2013 | russian |
| International Law – Facilitating Transboundary Water Cooperation, No. 17 (2013) | Technical Background Papers | Transboundary | Global | English | 2013 | | technical-background-papers | transboundary | global | 2013 | english |
| The Economic Value of Moving Toward a more Water Secure World, No. 18 (2013) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Spanish | 2013 | | technical-background-papers | private-sector urban water-services | global | 2013 | spanish |
| The Economic Value of Moving Toward a more Water Secure World, No. 18 (2013) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2013 | | technical-background-papers | private-sector urban water-services | global | 2013 | english |
| Groundwater Governance and Irrigated Agriculture, No. 19 (2014) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2014 | | technical-background-papers | private-sector urban water-services | global | 2014 | english |
| Water Security: Putting the Concept into Practice, No.20 (2014) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Russian | 2014 | | technical-background-papers | private-sector urban water-services | global | 2014 | russian |
| Water Security: Putting the Concept into Practice, No.20 (2014) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2014 | | technical-background-papers | private-sector urban water-services | global | 2014 | english |
| Promoting Effective Water Management Cooperation among Riparian Nations, No. 21 (2015) | Technical Background Papers | Transboundary | Global | English | 2015 | | technical-background-papers | transboundary | global | 2015 | english |
| Increasing Water Security: the Key to Implementing the Sustainable Development Goals, No. 22 (2016) | Technical Background Papers | Private Sector, Urban, Water Services | Global | Spanish | 2016 | | technical-background-papers | private-sector urban water-services | global | 2016 | spanish |
| Increasing Water Security: the Key to Implementing the Sustainable Development Goals, No. 22 (2016) | Technical Background Papers | Private Sector, Urban, Water Services | Global | English | 2016 | | technical-background-papers | private-sector urban water-services | global | 2016 | english |
| Measuring transboundary water cooperation: options for Sustainable Development Goal Target 6.5, No. 23 (2017) | Technical Background Papers | Transboundary | Global | Spanish | 2018 | | technical-background-papers | transboundary | global | 2018 | spanish |
| Measuring transboundary water cooperation: options for Sustainable Development Goal Target 6.5, No. 23 (2017) | Technical Background Papers | Transboundary | Global | English | 2017 | | technical-background-papers | transboundary | global | 2017 | english |
| Coordinating land and water governance for food security and gender equality, No. 24 (2017) | Technical Background Papers | Gender | Global | French | 2017 | | technical-background-papers | gender | global | 2017 | french |
| Coordinating land and water governance for food security and gender equality, No. 24 (2017) | Technical Background Papers | Gender | Global | English | 2017 | | technical-background-papers | gender | global | 2017 | english |