Wyniki
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The socio-professional composition of Hungariam freemasonry (1868-1920)
Ludwik Hass
Acta Poloniae Historica 30 (1974) s. 71-117 -
The Russian masonic movement in the years 1906-1918
Ludwik Hass
Acta Poloniae Historica 48 (1983) s. 95-131 -
Study of workers' political attitudes by quantitative methods
Ludwik Hass
Acta Poloniae Historica 38 (1978) s. 75-99