Mayakovsky, Vladmir. The Bathhouse, 16 March 1930, Meyerhold State Theatre, Moscow. In The Complete Plays of Vladimit Mayakovsky. Guy Daniels, trans. New York: Washington Square, 1968.
Play featuring a woman from the future arriving in Moscow in a time machine. She invites people to visit the future; the time machine, however, rejects automatically "parasitic Communist Party bureaucrats." Cited in Appendix to R. Willingham's Science Fiction and the Theatre, our source here, and whom we quote. Cited also in John J. Pierce on Russian/Soviet SF (manuscript).
RDE, slight edit, 4July20