https://yleksikon.blogspot.com/2018/01/leyvi-nyemtsevitsh-leo-niemcewitsch.html
Yiddish Leksikon: LEYVI NYEMTSEVITSH (LEO NIEMCEWITSCH)
LEYVI NYEMTSEVITSH ( LEO NIEMCEWITSCH ) (1876 or 1880-summer 1939) He was born in Lublin, Poland, descended from a well-pedig...
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