TY  - BOOK
AU  - McColvin,Lionel R.
TI  - Public library extension
T2  - UNESCO public library manuals,
U1  - 021.6 
PY  - 1949///
CY  - Paris
PB  - United National Educational, Scientific and Cultural Organization
KW  - Library extension
KW  - Great Britain
N1  - Includes bibliographical references
ER  -