共 63 条
[11]
[Anonymous], 1930, EHO 0930
[12]
[Anonymous], 1929, STATISTICHESKI GODIS, P157
[13]
[Anonymous], 1932, RABOTNICHKA 1107
[14]
[Anonymous], 1938, TRUD
[15]
[Anonymous], 1930, EHO 0608
[16]
[Anonymous], 1930, BULGARSKI TYUTY 0801
[17]
[Anonymous], 1930, TYUTYUNORABOTNI 0820
[18]
[Anonymous], 1930, EHO 0707
[19]
[Anonymous], 1931, ROTE GEWERKSCHAFTSIN
[20]
[Anonymous], 1933, ZAKON VREMENNO EDNOK