VH: There have been books published recently by Russianicon and Ukranian authors who have access to original Soviet documents. There appears to be significant clarification of some formerly controversial issues. Unfortunately, Yuschenko's larger book on the 91/30 is in Russian but he has also published a smaller book (M91/30 Rifles and M38/M44 Carbines in 1941-1945....) which will probably start turning up on e-bay, etc. There is also a beautiful book on the development of the Model 1891 and 91/30 by Ruslan Chumak which is only in Russian language. Regards.

Ridolpho