Title: Revoli͡u︡t͡s︡ionnoto rabotnichesko i sot͡s︡ialistichesko dvizhenie v Khaskovski okrŭg. 1892-1917
Subjects: Bŭlgarska rabotnicheska sot︠s︡ialdemokraticheska partii︠a︡, History, Labor movement, Labor
Places: Bulgaria, Khaskovski okrŭg