Held at:
YIVO Online Guide
Record Series Number: RG 541 /RG 541
Created by: Pat, Jacob (1890-1966)
Volume: 0.0
Subject Index
Children
Education
Literature
Military service
Poland
Politics and Political Parties
Socialism
United States
Writers
Genres/Forms of Material
Documents - Papers
Finding Aid Revisions: 1994/11/10 ; 1903/12/08 ; GMB