Affidavit from Louis J. Frank requesting the return of Lieutenant Joseph Horowitz from his service in Coblenz, Germany to the house staff of Beth Israel Hospital
Beth Israel Heart Institute - Memorandum re: Establishment
"Beth Israel Hospital, 1890-1949: Sixty Years of Progress" - Typescript
"Beth Israel Hospital, New York, 1890-1948" - Draft Typescript [by Nathan Ratnoff?]