Deletion of Samuel Finkelstein

Comment: I found several listings of his art work, including a museum where his work is on display today. He was a member of the Jewish and Polish art movement during his era. He died in a Nazi death camp, which I sourced. He's also included in a book of notable artists, which I cited. Article needs more work, but he appears to meet  notability. (unsigned but by
Stance: keep
Cited policy: Wikipedia:Notability (WP:ARTIST)

Comment: Can you cite some sources that are more than just a passion mention of his name, e.g. that meet the guidelines in 
Stance: comment
Cited policy: Wikipedia:Verifiability (WP:SOURCES)