The impact of technology on libraries and librarians : a literature review / Susan K. Martin -- The impact of social change on the library : a literature review / Leigh Estabrook, Thomas Blumenthal -- Impact of economic change on libraries : a selected review of the literature / William W. Sannwald -- The new role of librarians as professionals : a literature review / by Thomas J. Galvin ... [ et al.] -- A preliminary foray into the literature on problems of access in libraries / Miriam Braverman