Thomas A. (2010 — 2013) Schwandt 
The SAGE Dictionary of Qualitative Inquiry [PDF ebook] 

This Fourth Edition of Thomas A. Schwandt’s one-of-a-kind guide to the terms and phrases that help shape the origins, purpose, logic, meaning, and methods of the practices known as qualitative inquiry features 20 additional terms as well as a restructured Reader’s Guide. Key references have been updated and select terms and phrases from previous editions have been reorganized and greatly expanded. Together, the dictionary entries provide a guide to the methodological and epistemological concepts and theoretical orientations of qualitative inquiry. This unique resource is ideal for readers who are navigating various perspectives on qualitative inquiry, working on a qualitative dissertation, or are launching their own investigations into the issues covered.