Collection
- Neil Staebler papers, 1944-19921
- Olivia Maynard papers, 1976-19821
- Patricia Hill Burnett papers, 1967-2002 (majority within 1967-1987)1
- Paul C. Hillegonds Papers, 1964-1996 (majority within 1978-1996)1
- Perry Bullard papers, 1969-19921
- Philip A. Hart papers, 1949-1976 (majority within 1959-1976)1
- Raymond J. Smit Papers, 1960-19771
- Republican Party (Mich.) State Central Committee Records, 1958-1979 (majority within 1962-1978)1
- Republican Party (Mich.). 14th Congressional District Republican Committee records, 1948-19761
- Richard H. Headlee papers, 1976-19921
- Richard W. Bailey papers, 1972-20081
- Right to Life of Michigan Records, 1972-19861
- Robert Alexander Papers, 1970-19821
- Robert J. Harris papers, circa 1959-1963 and 1969-19731
- Robert Tisch Papers, 1978-1997 (majority within 1980-1982)1
- Taxpayers United Federation Records, 1973-19941
- Thomas A. Roach Papers, 1970-20021
- Tom Downs papers, 1947-20071
- United Press International State Capitol Bureau informational files, 1958-1990 (majority within 1981-1989)1
- Walter De Vries Papers, 1960-2012 (majority within 1960-1972)1