Subject
Piers & wharves
Ships
63
Boats
49
Steamboats
41
Harbors
33
Bridges
28
Lakes & ponds
20
Historic buildings
13
Railroads
12
Rivers
10
Capes (Coasts)
7
Hotels
7
Islands
7
Railroad stations
7
Towers
7
Castles & palaces
5
Canals
4
Dwellings
4
Streets
4
Bays (bodies of water)
2
Cathedrals
2
Churches
2
English
2
Indigenous peoples
2
Irish
2
Lifeboats
2
Mills
2
Architecture
1
Beaches
1
Christmas cards
1
Electric railroads
1
Emigration & immigration
1
Harbours
1
History
1
Journeys
1
Lighthouses
1
Monuments & memorials
1
Mountains
1
Plazas
1
Sailing ships
1
Suir River (Ireland)
1
Universities & colleges
1
Villages
1
Visits of state
1
Wetlands
1