Author
- United States. President (1981-1989 : Reagan)531
- Great Britain. Parliament. House of Lords528
- Penn, William, 1644-1718528
- West, Morris, 1916-1999527
- United States. Congress. Joint Economic Committee526
- Gill, Samuel Thomas, 1818-1880522
- McCullough, Colleen, 1937-2015522
- Queensland. Department of Forestry522
- Australian Broadcasting Tribunal516
- Ohio State Univ., Columbus. National Center for Research in Vocational Education515
- Priestley, Joseph, 1733-1804515
- Carey, Mathew, 1760-1839514
- United States. Department of State514
- Gay, John, 1685-1732513
- Mildura (Vic. : Rural City). Council513
- Macdonnell, J. E. (James Edmond), 1917-2002511
- McCrae, Stewart, 1919-2008511
- United States. Congress. Senate. Committee on Appropriations507
- Burke, Edmund, 1729-1797505
- National Roads and Motorists' Association (Australia)502