Neoprene

David Walters has published the following post:
The Marxists Internet Archive’s USA History Publications Section as part of joint project involving the Holt Labor Library, the Encyclopedia of the Trotskyism On-Line and the Riazinov Library, the U.S. Left Opposition Digitization Project has now completed the digitization, uploading and linking of the early press of the Communist League of America (1928-1934), Workers Party of the U.S. (1935-1936), the Trotskyist tendency inside the Socialist Party of America (1936-1937) and the Socialist Workers Party (1938-1946) with the following uploads of high-resolution PDF scans of the following periodicals. These are complete runs, in some cases amounting to over 52 issues a year:
The Militant: 1928-1934
New Militant: 1934-1935
Socialist Appeal: 1936-1941
The Militant: 1941-1946
The consolidated table of contents for this is located here:
http://marx.org/history/etol/newspape/themilitant/index.htm
Additionally, and most recently, we started placing online the internal discussion bulletins of the early Trotskyist movement in the United States organized as the Communist League of America (Opposition)1928-1934 and then the Workers Party of the United States (1935-1936). These are the first of the entirety of the internal bulletins of the US Trotskyists through the early years of the Socialist Workers Party. Presented in high resolution PDFs.
Communist League of America Internal Bulletins (1930-1934)
Communist League of America International Internal Bulletins (1931-1935)
Workers Party of the United States Bulletins (1934-1935)
http://marx.org/history/etol/document/swp-us/idb/index.htm