Names
- Norfolk and Western Railway Company.1
- North Park Railway Company.1
- Northern Central Railway Company1
- Northern Express Company (St. Paul, Minn.)1
- Northern Michigan Traction Company.1
- Ohio and Michigan Sand and Gravel Company.1
- Ono, Yeijiro1
- Ono, Yeijiro.1
- Oregon Railway and Navigation Company.1
- Osborn, Chase S. (Chase Salmon), 1860-1
- Osborn, Chase S. (Chase Salmon), b. 1860.1
- Page, Walter Hines, 1855-1918.1
- Paris & Pere Marquette River Railroad Company.1
- Paxson, Frederic L. (Frederic Logan), 1877-1948.1
- Peabody, Charles1
- Peabody, Charles.1
- Peerless Portland Cement Company.1
- Penn Central Transportation Company.1
- Pennsylvania Company1
- Pennsylvania Railroad Company1