History of the Document
Information in this database was obtained from Ledger #06-19 at the Montgomery County Records Center and Archives, Reibold Building - 6th Floor, 117 S. Main Street, Dayton, OH 45422.
The following link shows a copy of a certificate from the ledger showing the Railroad Police Commission for W. W. Nickel.

| Name | Railroad | Three year term commencing on: |
| Baker, Edward D. | Baltimore & Ohio Railroad Company | February 4, 1940 |
| Barnt, Roger V. | Erie Railroad Company | August 20, 1934 |
| Busemeyer, G. A. | Pennsylvania Railroad Company | November 13, 1934 |
| Cardiff, Harly E. | Erie Railroad Company | January 30, 1935 |
| Christian, L. E. | New York Central Railroad, lessee of Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | April 12, 1935 |
| Cosby, J. I. | Pennsylvania Railroad Company | November 13, 1934 |
| Crawford, Kenneth G. | Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | March 27, 1934 |
| Cundiff, S. H. | Pennsylvania Railroad Company | January 20, 1934 |
| Davis, Lester F. | Baltimore & Ohio Railroad Company | February 2, 1934 |
| Gerth, Gustave | Pennsylvania Railroad Company | January 20, 1934 |
| Gilgan, C. W. | Erie Railroad Company | July 6, 1936 |
| Gravitt, Carl Elbert | New York Central Railroad, lessee of Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | January 23, 1942 |
| Haudenshild, Frank W. [spelling may be incorrect] | Erie Railroad Company | April 9, 1936 |
| Henzy, Charles E. | Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | March 7, 1934 |
| Hinzey, C. C. | New York Central Railroad, lessee of Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | March 8, 1937 |
| Hobbs, Wm. V. | Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | November 19, 1934 |
| Holt, F. J. | Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | December 15, 1933 |
| Howard, Elmer | Baltimore & Ohio Railroad Company | July 27, 1944 |
| Hull, Fred Jr. | Railway Express Company | September 1, 1949 |
| Johnson, J. Alfred | Erie Railroad Company | March 10, 1944 |
| Jones, P. A. [middle initial may be D.] | Pennsylvania Railroad Company | January 20, 1934 |
| Jones, Paul S. | New York Central Railroad, lessee of Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | May 17, 1943 |
| Jones, Paul S. | New York Central Railroad, lessee of Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | May 18, 1946 |
| Kenkel, A. F. | Pennsylvania Railroad Company | January 20, 1934 |
| Klawon, Robert William | Railway Express Company | March 21, 1949 |
| Krowialis, Leonard Edward | Baltimore & Ohio Railroad Company | March 1, 1957 |
| Lewis, James A. | Baltimore & Ohio Railroad Company | March 14, 1946 |
| Lewis, Jess M. | Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | September 3, 1934 |
| Lewis, John G. | Baltimore & Ohio Railroad Company | June 17, 1935 |
| Lieurance, F. O. [spelling may be incorrect] | Pennsylvania Railroad Company | November 13, 1934 |
| Long, H. J. | Pennsylvania Railroad Company | May 22, 1935 |
| Martin, Clarence J. | Baltimore & Ohio Railroad Company | December 16, 1944 |
| Martin, Clarence J. | Baltimore & Ohio Railroad Company | December 12, 1947 |
| Mason, Fred I. | Railway Express Company | March 14, 1949 |
| McKendrick, Fred W. | Railway Express Company | November 20, 1958 |
| Murphy, M. A. | Pennsylvania Railroad Company | November 4, 1934 |
| Neill, Perry | Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | No month 6, 1934 |
| Nickel, W. W. | Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | November 19, 1934 |
| Redman, Walter J. | Erie Railroad Company | May 22, 1934 |
| Shelton, Ralph | Baltimore & Ohio Railroad Company | March 27, 1935 |
| Shelton, Ralph | Baltimore & Ohio Railroad Company | March 24, 1944 |
| Shroyer, John H. | Baltimore & Ohio Railroad Company | January 15, 1940 |
| Sortman, Walter J. | Baltimore & Ohio Railroad Company | January 29, 1934 |
| Strider, Wm. R. [record was marked Void] | New York Central Railroad, lessee of Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | January 23, 1942 |
| Taylor, Floyd M. | New York Central Railroad, lessee of Cleveland, Cincinnati, Chicago, & St. Louis Railroad Company | January 23, 1942 |
| Vesely, Joseph | Baltimore & Ohio Railroad Company | February 2, 1934 |
| Watts, John H. | Baltimore & Ohio Railroad Company | March 27, 1935 |
| Wheeler, Joseph A. | Baltimore & Ohio Railroad Company | April 29, 1945 |