Wrote historical-political works in German as Essad, bey, and wrote literary works as Said, Kurban.
Stalin, 1931: t.p. (Essad bey)
OCLC, Sept. 5, 1996 (hdg.: Essad, bey, 1905-1942; usage: Essad bey; Mohammed Essad; Essad-bey; Esad bej)
Das Mädchen vom Goldenen Horn, c2001: t.p. (Kurban Said) p. 247 (Kurban Said alias Leo Noussimbaum alias Muhammed Essad Bey; b. October 20, 1905; d. August 27, 1942)
Ėtot zagadochnyĭ Kurban Said, ili, Zhiznʹ i tvorchestvo Mukhammeda Asad-beka, 2002: p. 4 (Essad beĭ) p. 24 (Leo Nissimbaum) p. 26 (Mokhammed Asad beĭ) p. 49 (Leo Nussimbaum)
Allah ist gross, c2002: t.p. (Essad Bey) p. 385 (Lev Abramovič Nussenbaum wrote under the names Leo Noussimbaum, Essad Bey, and Kurban Said)
Krovʹ i neftʹ na Vostoke, 2005: t.p. (M. Asad-Bek)