Bŭlgarska akademii︠a︡ na naukiti︠e︡

found: Wikipedia, March 10, 2022:Bŭlgarska akademii︠a︡ na naukite (Bŭlgarsko knizhovno druzhestvo was renamed Bŭlgarska akademii︠a︡ na naukiti︠e︡ March 19, 1911. It was then renamed Bŭlgarska akademii︠a︡ na naukiti︠e︡ i izkustvata in 1940.)

found: Bŭlgarska akademii︠a︡ na naukite i izkustvata website, October 3, 2017History page (in 1940 the organization's name was changed from Bŭlgarska akademii︠a︡ na naukite (BAN) to Bŭlgarska akademii︠a︡ na naukite i izkustvata (BANI). In 1947 the name reverted back to BAN) - https://www.bas.bg/?page_id=20356

found: Iz arkhivata na Naĭdan Gerov, 1911-1914:v. 1-2, t.p. (Bŭlgarskata akademii︠a︡ na naukiti︠e︡)

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[In 1940 the organization's name was changed from Bŭlgarska akademii︠a︡ na naukiti︠e︡ (with pre-1945 orthography) to Bŭlgarska akademii︠a︡ na naukiti︠e︡ i izkustvata; in 1947 the name reverted to BAN, but with contemporary orthography, i.e. Bŭlgarska akademii︠a︡ na naukite. This record represents the 1911-1940 instantiation of the Academy.]