TY  - BOOK
AU  - Wentworth, Roger
AU  - Karrer, Robert
TI  - The U.S.F. Constitution - cachets and cancellations of the 1932 and 1934 transits of the Panama Canal 
PY  - 1991///
PB  - Canal Zone Study Group ; East Hartford, CT Universal Ship Cancellation Society (Tucson, AZ
KW  - United States | Cachets | Postal Markings -- Naval | Covers -- Naval | Postal History | 1932 | 1934 | 20th Century | United States. Navy. | Constitution (Ship) | Maritime Mail | Military Mail | Covers | Canal Zone
ER  -