The following folders contain operatic works by Russian composers as well as works by Western European composers with texts translated into Russian. Unless otherwise noted the music consists of the vocal parts and a piano reduction. Each opera is professionally published and bound. For those operas printed without a text in Russian, a handwritten translation into Russian appears alongside the original text. The operas are filed alphabetically by composer according to the Roman alphabet.
Handwritten notes appear throughout score.
Score contains handwritten markings throughout. Contains some handwritten notes. Contains many handwritten notes and changes in Russian text. The title page of another edition of the same opera appears inside the cover. Some of what appears to be the troupe's business information appears on the back of the last page.