History 187,096
Sources 169,357
Legislative bills 111,964
Private bills 111,959
Biography 81,051
Biographies 47,910
Electronic books 45,404
Periodicals 41,799
Early works to 1800 26,587
Congresses 26,557
Conference papers and proceedings 17,600
Early works 11,560
Interviews 11,297
Broadsides 11,105
Autobiographies 6,761
Radio news programs 5,897
Fiction 5,633
Correspondence 4,936
Bibliography 4,740
Caricatures and cartoons 4,576
Humor 4,570
Newspapers 4,458
Criticism, interpretation, etc 4,185
Academic theses 4,068
Documentary films 3,814
Printed ephemera 3,530
Pamphlets 3,496
Case studies 3,486
Internet videos 3,449
Dictionaries 3,414
Diaries 3,242
Speeches in Congress 3,211
Anecdotes 3,194
Poetry 3,110
Personal narratives 3,067
Thèses et écrits académiques 2,836
Handbooks and manuals 2,788
Handbooks, manuals, etc 2,735
Military history 2,729
Trials, litigation, etc 2,727
Statistics 2,723
Records and correspondence 2,626
Pictorial works 2,609
Drama 2,537
Messages 2,492
Video recordings 2,423
Bibliographies 2,189
Personal correspondence 2,166
Feature films 2,157
Speeches 2,059
DVD-Video discs 1,974
Controversial literature 1,951
Nonfiction films 1,903
Church history 1,870
Congressional addresses 1,827
Campaign literature 1,752
Catalogs 1,706
Resolutions 1,692
Directories 1,680
Essays 1,647
Registers 1,626
Resolutions (Law) 1,614
Oral histories (literary works) 1,606
Chronology 1,576
Resolutions (Laws) 1,487
Treaties 1,486
Archives 1,480
Aufsatzsammlung 1,449
Academic Dissertation 1,440
Educational films 1,424
Exhibitions 1,403
dissertations 1,387
Platforms 1,347
Miscellanea 1,294
Sermons 1,294
Festschriften 1,287
doctoral dissertations 1,236
masters theses 1,236
theses 1,236
Congrès 1,164
Tracts (literary works) 1,144
Posters 1,137
collective biographies 1,120
Indexes 1,060
Electronic journals 1,037
Television news programs 1,006
Chronologies 973
Maps 919
Exhibition catalogs 914
Comic books, strips, etc 904
Legislative hearings 892
Novels 880
Letters 855
Constitutions 843
Documentary television programs 834
Constitution 829
Video recordings for the hearing impaired 789
Registers (Lists) 778
Comics (Graphic works) 761
Legislative materials 759