Genre
Maps
149
Technical reports
8
Conference papers and proceedings
3
Guidebooks
3
Drawings
2
Graphs
2
Topographic maps
2
Academic theses
1
Biographies
1
CMU author
1
Charts, diagrams, etc
1
Directories
1
Environmental impact statements
1
Family histories
1
Legislative hearings
1
Road maps
1
Surveys
1
Tourist maps
1
Travel writing
1