| Alex Baskin Papers | Abstracts |
| James and Grace Lee Boggs Papers | Abstracts |
| Arthur W. Calhoun Papers | Abstracts |
| Raya Dunayevskaya Papers | Abstracts |
| Nat Ganley Pamphlets | Abstracts |
| International Socialists Records | Abstracts |
| Frances D. and G. Lyman Paine Papers | Abstracts |
| Oscar Paskal Collection | Abstracts |
| Nemmy Sparks Papers | Abstracts |
| Tom Mooney Papers | Abstracts |
| David Herreshoff Papers | Abstracts |
| General Gordon Baker, Jr.: A Detroit Revolutionary to the Core | Blog entry |
| (31986) Trotsky, Hansen, Heijenoort, Dunayevskaya, Mexico, 1938 | Image |
| (31987) Trotsky, Hansen, Heijenoort, Dunayevskaya, Mexico, 1938 | Image |
| (31988) Leon and Natalia Trotsky, Frida Kahlo, Mexico, 1937-1938 | Image |
| (31989) Natalia Trotsky, Frida Kahlo, Mexico, 1937-1938 | Image |
| (31991) Leon Trotsky, France, 1934 | Image |
| (31992) Leon Trotsky, Portrait, Mexico, 1938 | Image |
| (31993) Leon Trotsky, Mexico, 1938 | Image |
| (31994) Leon Trotsky, Portrait, Mexico, 1930s | Image |
| (31995) Leon and Natalia Trotsky, Norway, 1936 | Image |
| (31996) Leon and Natalia Trotsky, Rivera, Mexico, 1938 | Image |
| (31997) Natalia Trotsky, Portrait, Mexico, 1937 | Image |
| (31998) Raya Dunayevskaya, Mexico, 1938 | Image |
| (31999) Raya Dunayevskaya, Natalia Trotsky, Mexico, 1938 | Image |
| (32637) Kenneth Cockrel, Hibbitt Trial, Detroit,1969 | Image |
| Marxist Quarterly | Publications |
