Istorii͡a︡ na mezhdunarodnoto rabotnichesko i profsŭi͡u︡zno dvizhenie
By: pod rŭkovodstvoto na Khristo Mashkov i Berta Kalaora].
Contributors: Mashkov, Khristo.; Kalaora, Berta.; Nauchnoizsledovatelski institut po profsŭi͡u︡zni problemi Georgi Dimitrov.
Publisher: Nauchnoizsl. in-t po profsŭi͡u︡zni problemi "G. Dimitrov" pri T͡S︡S na BPS
Published: 1900
Place of publication: Sofii͡a︡
Language: bul
Subjects: Labor unions -- History.; International labor activities -- History.