postal history study of--the Ruhleben P.O.W. camp, 1914-1918
By: by Frank Bachenheimer.
Series: GPS library booklet series -- no. 6
Publisher: Germany Philatelic Society
Published: 1980
Place of publication: [Chicago?]
Language: eng
Subjects: Postmarks -- Germany -- Berlin -- History -- 20th century.; Postage stamps -- Germany -- Berlin -- History -- 20th century.; Prisoners of war -- Germany -- Berlin -- Postal service.; World War, 1914-1918 -- Postal service.
Other titles: Ruhleben P.O.W. camp, 1914-1918
Notes: Erratum slip inserted.