1. A Prolegonemon to a Theory of the Failure of Representative Democracy;Aaronson,1976
2. Administration and Conditions of Old People's Homes;Aaronson;Monthy Labor Review,1929
3. The Formative Years in Social Security;Altmeyer,1968
4. Compulsory Medical Care Insurance, 1910–1950;Anderson,1966
5. Annual Reports of the Board of Trustees of the Old-Age and Survivors Insurance, Disability Insurance, and Hospital Insurance Trust Funds,1982