History 187,134
Sources 169,362
Legislative bills 111,964
Private bills 111,959
Biography 81,051
Biographies 47,920
Electronic books 47,561
Periodicals 41,796
Early works to 1800 26,747
Congresses 26,562
Conference papers and proceedings 17,597
Early works 11,561
Interviews 11,295
Broadsides 11,105
Autobiographies 6,762
Radio news programs 5,897
Fiction 5,632
Correspondence 4,939
Bibliography 4,706
Caricatures and cartoons 4,576
Humor 4,575
Newspapers 4,458
Criticism, interpretation, etc 4,187
Academic theses 4,073
Documentary films 3,813
Printed ephemera 3,537
Pamphlets 3,499
Case studies 3,486
Internet videos 3,449
Dictionaries 3,414
Speeches in Congress 3,243
Diaries 3,240
Anecdotes 3,197
Poetry 3,122
Personal narratives 3,069
Thèses et écrits académiques 2,842
Handbooks and manuals 2,788
Handbooks, manuals, etc 2,737
Military history 2,729
Trials, litigation, etc 2,728
Statistics 2,722
Records and correspondence 2,626
Pictorial works 2,609
Drama 2,539
Messages 2,493
Video recordings 2,421
Bibliographies 2,189
Personal correspondence 2,166
Feature films 2,157
Speeches 2,053
DVD-Video discs 1,974
Controversial literature 1,972
Nonfiction films 1,903
Church history 1,871
Congressional addresses 1,828
Campaign literature 1,752
Catalogs 1,706
Resolutions 1,692
Directories 1,681
Essays 1,647
Registers 1,627
Resolutions (Law) 1,614
Oral histories (literary works) 1,606
Chronology 1,575
Treaties 1,490
Resolutions (Laws) 1,487
Archives 1,480
Aufsatzsammlung 1,448
Academic Dissertation 1,443
Educational films 1,424
Exhibitions 1,403
dissertations 1,390
Platforms 1,347
Sermons 1,317
Miscellanea 1,293
Festschriften 1,286
doctoral dissertations 1,236
masters theses 1,236
theses 1,236
Congrès 1,163
Tracts (literary works) 1,148
Posters 1,137
collective biographies 1,120
Indexes 1,061
Electronic journals 1,037
Television news programs 1,006
Chronologies 973
Maps 920
Exhibition catalogs 914
Comic books, strips, etc 903
Legislative hearings 892
Novels 880
Letters 855
Constitutions 844
Documentary television programs 834
Constitution 830
Video recordings for the hearing impaired 788
Registers (Lists) 780
Comics (Graphic works) 760
Legislative materials 759