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History
2,633
Periodicals
1,055
Biography
740
Biographies
385
Pictorial works
245
Anecdotes
202
Sources
192
Directories
121
Statistics
84
Electronic books
81
Catalogs
75
Congresses
69
Festschriften
66
Bibliography
49
Chronology
47
Conference papers and proceedings
46
Autobiographies
44
Abstracts
40
Case studies
38
Chronologies
37
Handbooks, manuals, etc
32
Interviews
31
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Illustrated works
24
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21
Archives
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Bibliographies
20
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Personal narratives
18
Diaries
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Correspondence
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Annual reports
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Dictionaries
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Curricula
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Designs and plans
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Yearbooks
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Photobooks
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Handbooks and manuals
10
Miscellanea
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Newsletters
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