Author

Robert J. Karrer

2 books found

Placeholder cover for Canal Zone post office openings and closings

Canal Zone post office openings and closings

Robert J. Karrer · First published 1995

Placeholder cover for U.S. Navy slogan cancels in the Canal Zone and Panama area, 1908-1941

U.S. Navy slogan cancels in the Canal Zone and Panama area, 1908-1941

Robert J. Karrer · First published 1990