Genre
Diaries
126
Account books
108
Manuscripts for publication
107
Historians
104
Letter books
104
College presidents
103
Articles
101
Sources
48
Harvard graduates' papers
29
Harvard students' papers
28
Personal narratives
22
History
19
Poetry
19
Poems
14
Letters
12
Correspondence
10
Manuscripts, American
10
Portraits
7
Sermons
7
Early works to 1800
6
Manuscripts, English
6
Accounts
5
Archives
5
Fiction
5
Commonplace books
4
Manuscripts
4
Petitions
4
Broadsides
3
Clippings
3
Codices
3
Electronic books
3
Facsimiles
3
Genealogy
3
German
3
Journals
3
Legal documents
3
Manuscripts, European
3
Manuscripts, French
3
Manuscripts, German
3
Maps
3
Observations
3
Order-books
3
Personal narratives, German
3
Photographs
3
Plays
3
Receipts
3
Speeches
3
Autographs
2
Biography
2
Documents
2
more ...