Cornell University Library Digital Collections
- Cornell University, Media Services, Photo Section4
- Groach, B.I2
- Jewish-American Section, I.W.O.2
- Blumenthal, Rose, Kershefsky, Shub, Keblentz1
- National Secretary JPFO1
- Zaltsman, R. (Reʾuven) (Rubin Saltzman, Reuben Zaltzman)1
