A collection of online biographical sources, dictionaries, and encyclopedias on world religions. Individual titles include:

• The China Handbook
• Democracy and Democratization
• A Dictionary of the European Union
• A Dictionary of Human Rights
• Dictionary of the Modern Politics of Japan
• Dictionary of the Modern Politics of South-East Asia
• A Dictionary of Modern Politics
• Dictionary of the Politics of the People's Republic of China
• Dictionary of Terrorism
• Encyclopedia of African History
• Encyclopedia of Democratic Thought
• Encyclopedia of Eastern Europe
• Encyclopedia of Government and Politics
• Encyclopedia of International Relations and Global Politics
• Encyclopedia of Mexico History, Society and Culture
• Encyclopedia of Political Economy
• Encyclopedia of the United Nations and International Agreements
• Encyclopedia of the World's Minorities
• Europe Since 1945: An Encyclopedia
• The European Union Handbook
• Fifty Key Thinkers in International Relations
• Fifty Major Political Thinkers
• The India Handbook
• International Encyclopedia of Environmental Politics
• International Relations: The Key Concepts
• The Major International Treaties of the Twentieth Century
• A Political and Economic Dictionary of Eastern Europe
• Profiles of People in Power: the World's Government Leaders
• Reader's Guide to the Social Sciences
• The Routledge Companion to Fascism and the Far Right
• The Routledge Dictionary of Twentieth-Century Political Thinkers
• Routledge Encyclopedia of International Political Economy
• The Social Science Encyclopedia
• The Terrorism Reader