Periodicals 6,151 Congresses 2,742 History 2,703 Biography 2,473 Fiction 1,817 Conference papers and proceedings 1,470 Biographies 1,181 Statistics 1,063 Electronic books 929 Drama 702 Serial publications 700 Maps 578 Feature films 550 Criticism, interpretation, etc 493 Poetry 446 Bibliography 403 VCD-Video discs 383 Case studies 344 Exhibitions 332 Directories 318 Autobiographies 295 Novels 269 Lectures 263 Handbooks, manuals, etc 259 Texts 258 Festschriften 255 Essays 217 Exhibition catalogs 189 Folklore 188 Handbooks and manuals 185 Church history 177 Documentary films 177 Video recordings 161 Catalogs 151 Sound recordings 149 Bibliographies 147 Onitsha market literature 145 Pictorial works 143 Interviews 138 Cases 135 Romans, nouvelles, etc 132 Sources 130 Academic theses 129 Romans 128 Music 123 Trials, litigation, etc 114 Personal narratives 108 Dictionaries 105 Internet videos 104 Domestic fiction 98 Popular music 96 Thèses et écrits académiques 96 Nigerian fiction (English) 95 Nonfiction films 85 Statutes and codes 84 Juvenile works 83 Juvenile fiction 79 Melodramas (Motion pictures) 79 Juvenile literature 78 Specimens 77 Annual reports 72 Court decisions and opinions 71 Thematic maps 69 Textbooks 67 Short stories 65 Guidebooks 63 Bildungsromans 60 Abstracts 59 Photographs 56 Newspapers 54 Political fiction 54 bibliografía 54 bibliographie 54 bibliography 54 Correspondence 52 Historical fiction 52 Academic Dissertation 51 dissertations 50 Aufsatzsammlung 49 Love stories 47 DVD-Video discs 45 Periodical 44 Documentary television programs 43 Fictional Work 42 Videotapes 42 doctoral dissertations 42 masters theses 42 theses 42 Fiction films 41 Folk music 41 Poésie 40 Speeches 40 poetry 40 Conference proceedings 39 Constitutions 39 Television news programs 39 Diaries 38 Literary collections 38 Nigerian poetry (English) 38 Périodiques 38