Periodicals 548 History 295 Electronic books 254 Congresses 241 Conference papers and proceedings 237 Electronic journals 160 Biography 117 Criticism, interpretation, etc 110 Case studies 108 Bibliographies 98 Biographies 96 Périodiques 92 Bibliography 91 Exhibition catalogs 60 Exhibitions 60 Sound recordings 39 Sources 32 Dictionaries 31 Catalogs 23 Video recordings 22 Popular music 21 Statistics 20 Interviews 18 Cross-cultural studies 15 Early works to 1800 15 Encyclopedias 15 Pictorial works 15 Periodical 14 Directories 13 Documentary films 13 Fiction 13 Autobiographies 12 Church history 12 Illustrated works 12 Early accounts to 1600 11 Feature films 10 Readers 10 Readers (Publications) 10 Video recordings for the hearing impaired 10 proceedings (reports) 10 Bio-bibliography 9 Drama 9 Electronic book 9 Notated music 9 Publicaciones periódicas 9 Bibliography of bibliographies 8 Festschriften 8 Academic theses 7 Essays 7 Literary criticism 7 Music 7 Songs, Spanish 7 Spanish language films 7 Translations into English 7 periodicals 7 Aufsatzsammlung 6 Guidebooks 6 Nonfiction films 6 Poetry 6 Revistas 6 Salsa (Music) 6 Songs 6 Guitar music 5 Libros electrónicos 5 Literary collections 5 Literature 5 Reviews 5 Zeitschrift 5 Big band music 4 Congrès 4 Diaries 4 Documentary television programs 4 History (form) 4 In art 4 Jazz 4 Maps 4 PUBLICACIONES PERIODICAS 4 Revistes 4 Spanish language materials 4 World music 4 Yearbooks 4 Art 3 Book reviews 3 Cases 3 Comparative studies 3 Computer network resources 3 Czasopismo ekonomiczne 3 Dance music 3 Excerpts 3 Film adaptations 3 Folklore 3 Indexes 3 Juvenile literature 3 Latin pop 3 Trials, litigation, etc 3 Union catalogs 3 Union lists 3 Yearbook 3 dissertations 3 reference 3