Letter 400a

Date by 15/27 May 1875
Addressed to The editor of the Russian Register (Русские ведомости)
Where written Moscow
Language Russian
Autograph Location unknown
Publication Русские ведомости (15 May 1875), p. 3
Советская музыка (1965), No. 5, p. 35–37.
Notes Signed by "A supporter of the Moscow Conservatory"
Also numbered as ČW 572