Genre
Maps
179
Road maps
37
Periodicals
4
Tourist maps
3
Pictorial works
2
Aerial photographs
1
Black-and-white photographs
1
Chromogenic processes
1
Cibachrome (TM)
1
Classification
1
Gelatin silver prints
1
History
1
Illustrated works
1
Legislative hearings
1
Maps, Tourist
1
Photographs
1
Pictorial maps
1
Portfolios (groups of works)
1
Thematic maps
1