TY  - BOOK
AU  - Thomas, William
TI  - History and evolution of metered postage
PY  - 1962///
CY  - State College, Pa.
PB  - American Philatelic Society, Research and Literature Committee
KW  - United States | Metered Mail | Postal History | Post Office Equipment | Affixing Machines | Permit and Penalty Mail | Vending Machines
ER  -