1926-1977 ca. 250 p (a few photocopies), 13 pls (real photographs), in ringbinder.First there is one handwritten page with notes and translation, then 18 pages with lists of names of Russian Brachiopod authors. Then all the translated papers (including Abramov, Aisenverg, Dagys, Gorjansky, Gretchischnikova, Grunt, Ifanova, Kalashnikov, Malakhova, Poletaev, Sarytcheva, and others).
1925-1963 Most from the library of the Dutch Brachiopoda specialist Dr. C.F. Winkler Prins, and also from from the library of H. Dighton Thomas (with his signature or stamp).