1. Bulgaria [cartographic material] : administrative divisions / compiled and drawn in the Branch of Creator: United States. Office of Strategic Services. Research and Analysis Branch Published / Created: 1943 Call Number: 47fb 1943 Container / Volume: BRBL_00261 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Bulgaria [cartographic material] : administrative divisions / compiled and drawn in the Branch of Research and Analysis, OSS.