- Paul Cain
- Raoul Whitfield
- Michael Kerr
- James Hannah
- Benjamin Appel
- David Alexander
- Norbert Davis
- William Coe
- Jonathan Craig
- Frederick Nebel
- M.H. Goldberg
- Pittsburgh Post-Gazette
- F. Richard Ciccone
- Leslie A. Sirkin
- Carnegie Library of Pittsburgh
- Mona Matlock
- Robert Grossmith
- Carl K. Seyfert
- Daniel Mainwaring
- Francis Maynell