Bugulma
Vicariate of Kazan, Samara
Bishops 5
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29 April 1924 – 1926
Nikita Delektorskii 1876–1937
Bishop
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1925 – 1931
Mitrofan Polikarpov 1871–1934
Bishop
-
1926/1927 – 1927
Herman Kokkel 1883–1937
Bishop
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10 May 1928 – 16 June 1933
Anthony Milovidov 1877–1937
Bishop
-
5 February 1929 – 17 April 1930
Herman Weinberg 1885–1942
Bishop
In the order of their start dates; bishops whose dates are unknown come last. Gaps are periods the data does not yet cover.