Research and Analysis by George E. Immerwahr

Family Composition of Workers Represented in Old-Age and Survivors Insurance Claims
from Social Security Bulletin, Vol. 4, No. 12 (released December 1941)
by George E. Immerwahr

Old-Age and Survivors Insurance: Insured Workers and Their Representation in Claims
from Social Security Bulletin, Vol. 7, No. 5 (released May 1944)
by George E. Immerwahr and Harry Mehlman