Collection 1. Birch Bayh Senatorial Papers: About the Collection, 1963-1980 Repository Indiana University » Modern Political Papers Collection
Collection 2. Lee H. Hamilton Congressional Papers, 1965-1998 Online Repository Indiana University » Modern Political Papers Collection
Collection 3. Richard G. Lugar Senatorial Papers: Post-Senate Files, 1999-2019, bulk 2012-2019 Repository Indiana University » Modern Political Papers Collection