https://yleksikon.blogspot.com/2019/02/yisroel-yekhiel-kopelof-isadore-kopeloff.html
Yiddish Leksikon: YISROEL-YEKHIEL KOPELOF (ISADORE KOPELOFF)
YISROEL-YEKHIEL KOPELOF (ISADORE KOPELOFF) (September 15, 1858-September 23, 1933) He was born in Babruysk, Byelorussia. H...
yiddishleksikonisadore