TY - BOOK AU - Butler,Pierce TI - An introduction to library science T2 - Phoenix books, U1 - 020 PY - 1933/// CY - Chicago PB - University of Chicago Press KW - Public services (Libraries) KW - Books and reading KW - Librarians KW - Library science N1 - includes index ; 1. The nature of science 2. The sociological problem 3. The psychological problem 4. The historical problem 5. Practical considerations ER -