Die chemische Industrie / Nachrichtenausgabe
- 57.1934 Colorado-USA* = Google-USA*, Michigan-USA* = Google-USA*
- 58.1935 Colorado-USA* = Google-USA*, Michigan-USA* = Google-USA*
- 59.1936 Colorado-USA* = Google-USA*, Cornell-USA*
- 60.1937 Colorado-USA* = Google-USA*, Cornell-USA*
- 61.1938 Colorado-USA* = Google-USA*, Cornell-USA*
- Schlesische TU Katowice (nur H. 31-52)
- 62.1939 Colorado-USA* = Google-USA*, Schlesische TU Katowice, Cornell-USA*
- 63.1940 Colorado-USA* = Google-USA*, Schlesische TU Katowice, Cornell-USA*
- 64.1941 Colorado-USA* = Google-USA*, Schlesische TU Katowice, Michigan-USA* = Google-USA*
- 65.1942 Colorado-USA* = Google-USA*, Schlesische TU Katowice, Cornell-USA*
- 66.1943 Colorado-USA* = Google-USA*, Schlesische TU Katowice, Michigan-USA* = Google-USA*
- 67.1944 Colorado-USA* = Google-USA*, Cornell-USA*