Creator
- American Public Transportation Association1
- Brinkman, Charles.1
- Camden, Gideon Draper, 1805-18911
- Gerbrick, Jacob H.1
- Gifford, Jonathan Lewis1
- Harmer, Harvey W. (Harvey Walker), 1865-19611
- Lambert, Fred B., 1873-19671
- Mann, Charles Harrison, Jr., 1908-19771
- Mathers, E. L. and Max Mathers, Compilers1
- McCabe, Brooks F., Jr., 1949-1
- Mertz, Lee, 1920-19931
- Ward Engineering Company1
- Winding Gulf Coals, Inc.1