41
42
43
Published 1942
“...Publications by the Polish Research Centre...”
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44
by Main, Izabella
Published 2003
Published 2003
Book
45
46
47
48
49
50
51
54
Published 1942
“...Publications by the Polish Research Centre...”
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56
57
58
59
60
Published 1994
“...Research paper / Berlin Institute for Comparative Social Research...”
Book