Subject
- Washington Interurban Railway Company17
- Baltimore and Washington Transit Company15
- Chesapeake and Potomac Telephone Company15
- Telephone companies15
- Washington, Alexandria, and Mount Vernon Electric Railway Company15
- Washington and Old Dominion Railway Company11
- Eckington and Soldiers' Home Railway Company10
- Public utilities10
- Corporate finance9
- Metropolitan Railroad Company9
- Columbia Railway Company8
- Railroad construction8
- Railroad finance8
- Washington-Virginia Railway Company8
- Union Pacific Railroad Company7
- Banks and banking6
- Canal companies6
- Canals6
- Great Falls and Old Dominion Railroad Company6
- Washington and Great Falls Electric Railway Company6