Genre
Textbooks
85
Maps
51
Treaties
6
Laboratory manuals
3
Congresses
2
Handbooks, manuals, etc
2
Juvenile literature
2
Newspapers
2
Problems, exercises, etc
2
Traités
2
Bibliography
1
Census, 15th, 1930
1
Census, 1930
1
Electronic books
1
Fiction
1
Guidebooks
1
Juvenile fiction
1
Outlines, syllabi, etc
1
Periodicals
1
Popular Works
1
Publishers' advertisements
1
Spellers
1
Statistics
1