8 letters in Russian of 1942 are not the letters by Asya, but letters associated with her (by her friend, Commander, Commissar), because she had not wrote a single letter by herself before her death.
15 letters of 1941 – 1944 in Russian present a fragment of correspondence between Berman (12 letters) and Maria Brodsky (3 letters).
The archive is not described, there is no information about the authors
12 letters of 1941 – 1945 written in Russian.
The archive is not described, there is no information about the author.
Letters of Braginsky Pavel
39 letters in Russian, 1941 – 1942.
Archive is not specified, there is no information about the author.
Letters of Giller
2 letters in Russian, 1944.
Archive is not specified, there is no information about the author.