Each of these collections allows for full-text searching of all titles simultaneously:
Sage Research Methods Online (SRMO). SRMO provides access to information about research methods compiled from a variety of Sage publications, including books/handbooks, articles, and the “Little Green Book” series, Quantitative Applications in the Social Sciences. SRMO is searchable and browsable by author, and it includes a methods map, as well as video tutorials. Results can be refined to focus on specific academic disciplines of interest.
Great resource for learning more about what comprises a specific research method, with a view into how that method was applied within actual published scholarly literature.
Syracuse University's major initiative in open access and preservation of scholarly and creative output emanating from the University is SURFACE ("Syracuse University Research Facility and Collaborative Environment"), the databases hosted by the Syracuse University Libraries.