Columbia subject headings:
Bulgaria--Politics and government.
Bŭlgarska rabotnicheska sot︠s︡ialdemokraticheska partii︠a︡--History.
Cheshmedzhiev, Grigor, 1879-1945.
Political parties--Bulgaria--History.
Politicians--Bulgaria--Biography.
Harvard subject headings:
Bulgaria--Politics and government.
Bŭlgarska rabotnicheska sot︠s︡ialdemokraticheska partii︠a︡--History.
Cheshmedzhiev, Grigor, 1879-1945.
Political parties--Bulgaria--History.
Politicians--Bulgaria--Biography
Princeton subject headings: