Non-book materials and non-bibliographic services in public libraries a study of their development and of the controversies which have surrounded them from 1850 to 1964 - Campbell, Alasdair K. D. (High Wycombe, Buckinghamshire : University Microfilms Limited, 1965)
Thesis (M.A.) - Library Association, 1965.
Keywords: Libraries -- Special collections -- Nonbook materials