TY - BOOK AU - McColvin,Lionel Roy TI - The theory of book selection for public libraries U1 - 025.21 PY - 1925/// CY - London PB - Grafton & co. KW - Book selection KW - Best books N1 - Table of Contents Introduction General principles The evaluation of demand The volume of demand : its recognition and assessment The stimulation of demand The variety of demand, and other general theoretical considerations The relation between demand and supply The individual book Book selection in special subjects Miscellaneous topics; Includes index ER -