Xénero
Textbooks
2,954
Electronic books
1,658
Sources
862
Biography
425
Treaties
302
Juvenile literature
277
Handbooks, manuals, etc
236
Bibliography
174
Indexes
174
Statistics
158
Archives
157
Personal narratives
142
Cases
139
Fiction
135
Records and correspondence
135
Drama
106
Genealogy
106
Congresses
93
Catalogs
79
Problems, exercises, etc
78
Registers
76
Controversial literature
75
Outlines, syllabi, etc
70
Early works to 1800
58
Broadsides
55
Directories
53
Examinations, questions, etc
48
History
47
Census, 15th, 1930
44
Census, 1930
43
Personal narratives, Confederate
43
Traités
42
Microform catalogs
41
Correspondence
39
Poetry
39
Juvenile fiction
34
Dictionaries
31
Digests
31
Designs and plans
28
Exhibitions
28
Census, 10th, 1880
26
Census, 1880
26
Guidebooks
25
Passenger lists
25
Census, 1860
24
Census, 1850
23
Census, 1870
22
Census, 9th, 1870
22
Census, 7th, 1850
21
Census, 8th, 1860
21
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