Maps 7,387 Topographic maps 3,673 Electronic books 1,268 History 1,087 Periodicals 1,046 Biography 847 Fiction 753 Statistics 644 Pictorial works 522 Biographies 519 Guidebooks 414 Bibliography 360 Congresses 287 Charters 239 Legislative hearings 212 Constitutions 211 Folklore 195 Legislative histories 193 Autobiographies 190 Conference papers and proceedings 190 Government publications 185 Charters and articles of incorporation 182 Video recordings 175 Documentary films 172 Internet videos 162 Legislative materials 161 Photographs 160 Catalogs 157 Poetry 144 Exhibitions 140 Sources 139 Photographic prints 135 Claims 128 By-laws 120 Documentary television programs 117 Remote-sensing maps 114 Drama 113 Juvenile fiction 113 Diaries 111 Observations 111 Geological maps 108 Newspapers 105 Databases 101 Exhibition catalogs 101 Photograph albums 101 Bibliographies 100 Anecdotes 98 Nonfiction television programs 95 Directories 94 Maps, Topographic 94 Television programs 94 Feature films 92 Mystery fiction 91 Juvenile literature 90 Texts 89 Identification 82 Juvenile works 78 Novels 78 Thematic maps 78 Reality television programs 77 Handbooks, manuals, etc 76 Case studies 75 Interviews 73 Road maps 70 Nonfiction films 69 Video recordings for the hearing impaired 68 Illustrated works 65 Cartes géographiques 63 Early works to 1800 60 Chartes et statuts constitutifs 59 Charts, diagrams, etc 59 In art 59 Classification 57 Cookbooks 57 Music 57 Portraits 57 Private bills 57 Educational films 54 Dictionaries 51 Gelatin silver prints 51 DVD-Video discs 49 Detective and mystery fiction 49 Tourist maps 49 Legends 47 Statutes and codes 46 Correspondence 45 Field guides 45 Personal narratives 45 Technical reports 45 Handbooks and manuals 44 CD-ROMs 43 Census, 1990 43 Historical fiction 43 Romans, nouvelles, etc 42 Indexes 41 Tables 41 Trials, litigation, etc 41 Travel literature 39 Census data 38 Electronic journals 37