1. Japan : ports of greatest shipping activity (entrances and clearances of vessels in gross tons Creator: United States. Office of Strategic Services. Research and Analysis Branch Published / Created: 1945 Call Number: 57gp 1945 Container / Volume: BRBL_00307 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Japan : ports of greatest shipping activity (entrances and clearances of vessels in gross tons) 1934.