United States, Office of Strategic Services., Research and Analysis Branch. No. A 3474--R & A, OSS; 14 February 1945. Inset: Vigan [region] "Base from: "Census of the Philippines, 1939," Volume 1, Manila, 1940.". G.P.O.
United States, Office of Strategic Services., Research and Analysis Branch. Office of Strategic Services, Research and Analysis Branch. "No. 5376--R & A, OSS; 23 January 1945." Includes location map and data reliability tab... Reproduction Branch, OSS.
United States, Office of Strategic Services., Research and Analysis Branch. No. A 3488--R & A, OSS; 15 February 1945. "Base from: "Census of the Philippines, 1939," Volume 1, Manila, 1940.". G.P.O.
United States, Office of Strategic Services., Research and Analysis Branch. No. A 3491--R & A, OSS; 2 February 1945. "Base from: "Census of the Philippines, 1939," Volume 1, Manila, 1940.". G.P.O.
United States, Office of Strategic Services., Research and Analysis Branch. No. A 3494--R & A, OSS; 15 February 1945. "Base from: "Census of the Philippines, 1939," Volume 1, Manila, 1940.". G.P.O.
United States, Office of Strategic Services., Research and Analysis Branch. compiled and drawn in the Branch of Research and Analysis, O.S.S. Map no. 1430. Inset: [Vicinity map]. Depths indicated by soundings. Dated: Dec. 1... OSS.
United States, Office of Strategic Services., Research and Analysis Branch. and United States, Office of Strategic Services., Reproduction Branch. RA, OSS. Relief shown by form lines and spot heights. Depths shown by soundings. "No. A-3135 ... 29 February 1944." "Base map from H.O. Chart No. 5... Lithographed in Reproduction Branch, OSS.
United States, Office of Strategic Services., Research and Analysis Branch., United States, Navy., Joint Intelligence Center, Pacific Ocean Areas., and United States, Office of Strategic Services., Reproduction Branch. RA, OSS. Relief shown by spot heights. "No. A-3138 ... 1 March 1944." "J.I.C.P.O.A. December 1943.". Lithographed in the Reproduction Branch, OSS.
United States, Office of Strategic Services., Research and Analysis Branch. and United States, Office of Strategic Services., Reproduction Division. compiled and drawn in the Branch of Research and Analysis, O.S.S. Shows the location of anti-aircraft batteries and indicates the size of guns in e... Reproduced by the O.S.S. Repro. Div.