TY  - BOOK
AU  - Le Gear, Clara Egli.
ED  - U.S Library of Congress. Map Division
TI  - Maps: their care, repair and preservation in libraries
PY  - 1956///
CY  - Washington
KW  - Maps
KW  - Conservation and restoration
KW  - Local
N1  - Bibliography: p. 56-75
ER  -