Bulgakov, Sergiĭ, 1871-1944 (Personal Name)
- Bulgakov, Sergeĭ Nikolaevich, 1871-1944
- Boulgakof, Serge, 1871-1944
- Boulgakoff, Sergius, 1871-1944
- Bulgakoff, Sergius, 1871-1944
- Bulgakov, S. N. (Sergeĭ Nikolaevich), 1871-1944
- Bulgakov, Serge, 1871-1944
- Bulgakov, Sergi︠e︡ĭ, 1871-1944
- Bulgakov, Sergius, 1871-1944
- Булгаков, С. Н. (Сергей Николаевич), 1871-1944
- Булгаков, Сергий, 1871-1944
- Булгаков, Сергей Николаевич, 1871-1944
- Булгаков, Сергѣй, 1871-1944
- Bułgakow, Sergiusz, 1871-1944
Non-Latin script references not evaluated.
Karl Marx as a religious type, 1979: t.p. (Sergei Bulgakov)
L'Église visible selon Serge Bulgakov, 1980: t.p. (Serge Bulgakov) p. 7 (b. Livny, 6-16-1871) p. 15 (d. Paris, 7-12-44)
Gennadiĭ, igumen. Delo prot. Sergii︠a︡ Bulgakova, 1980: t.p. (prot. Sergii︠a︡ Bulgakova) p. 6 (protoierei︠a︡ S.N. Bulgakova)
The Orthodox Church, 1988: CIP t.p. (Sergius Bulgakov, 1871-1944)
Slova, pouchenii︠a︡, besedy, 1987: t.p. (Sergiĭ Bulgakov)
Rasskazy, 1906: t.p. (S.N. Bulgakov)
Tikhīi︠a︡ dumy, 1976: t.p. (Sergi︠e︡ĭ Bulgakov)
Social teaching in modern Russian Orthodox theology, 1934: t.p. (Sergius Bulgakoff)
Sergius Boulgakoff, 2005: t.p. (b. 1871; d. 1944)
Wikipedia, June 10, 2013 (Sergei Nikolaevich Bulgakov (Russian: Серге́й Никола́евич Булга́ков) born 28 June [O.S. 16 June] 1871 in Livny; died July 12, 1944 in Paris; Russian Orthodox Christian theologian, philosopher and economist. Until 1922 he worked in Russia; afterwards in Paris)
Sergiusz Bułgakow i filozofowie Srebrnego Wieku, 2015.