12
13
Published 1948.
...Publ. for the Polish Socialist Party....
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14
Published n.d.
...Polish Socialist Party (P.P.S.)....
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15
Published 1903.
...Collection Yidishkayt. At the beginning and the end the program of the Polish Socialist Party PPS....
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16
Published 1902.
... the political program of the Polish socialist party PPS....
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17
...no. 18 and 2 suppl. in German. - English ed.: Official bulletin of the Polish Socialist Party (ZDO...
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