Muzyka, [1950].
出版社
Moscow: Muzyka, [1950]. Plate М. 20170 Г. 其他備註
Publication date on title page/cover page? WorldCat (no key specified, but the E-flat trio, WorldCat has 37 pages to the 68 of the A minor.) Muzyka, [1950].
出版社
Moscow: Muzyka, [1950]. Plate М. 20170 Г. 其他備註
Publication date on title page/cover page? WorldCat (no key specified, but the E-flat trio, WorldCat has 37 pages to the 68 of the A minor.) 
