This page lists a few print and online reference resources covering aspects of political research methodology.
Encyclopedia of Case Study Research by 
Encyclopedia of Research Design by 
Encyclopedia of Social Measurement by 
Handbook of Politics: State and Society in Global Perspective by 
Handbook of public policy analysis: theory, politics, and methods by 
The Oxford Handbook of Contextual Political Analysis by 
The Oxford Handbook of Political Methodology by 
The Oxford Handbook of Polling and Survey Methods by 
Political Science Research Methods in Action by 
The Reference Guide to Data Sources by 
The SAGE Encyclopedia of Qualitative Research Methods by 
The SAGE Encyclopedia of Social Science Research Methods by