1. Germany, distribution of the basic chemicals industry (coal tar, nitrogen, calcium carbide, sulphuric acid, alkalies, chlorine) (1941). Yale Public content 1945. 2003-01-28T13:13:59Z. 2017-07-04T21:14:56Z. United States. Office of Strategic Services. Research and Analysis Branch. R&A, OSS. English. Public. Germany.