TSIOLKOVSY, KONSTANTIN. AUTOGRAPH LETTER SIGNED WITH PRESENTATION COPY OF "THE WILL OF THE UNIVERSE," 1929

Autograph letter, signed "К. Циолко́вский (K. Tsiolkovsky)", in Russian, 4 pp (6 ½ x 9 ½ inches), in brown ink on plain unlined paper, to Russian Science Fiction writer Alexander Belyaev, 7 June, 1931. WITH: ЦИОЛКОВСКИЙ, К[ОНСТАНТИН] (TSIOLKOVSKY, KONSTANTIN). Воля Вселенной. Неизвестные Разумные силы. [The Will of the Universe. The Unknown Intelligence]. Kalga: Printed for the author, 1928. Small 4to. 23 pp. Original printed wrappers. FIRST EDITION, PRESENTATION COPY TO VICTOR ALEXANDER SEMENOVY, SIGNED AND INSCRIBED BY TSIOLKOVSKY TO FRONT WRAPPER.