Library science 261 Bibliography 204 Printing 183 Dictionaries 148 Book industries and trade 130 English language 120 Information science 102 more ... History 100 Polyglot 97 English 82 Publishers and publishing 78 Chinese 51 Biography 48 German 47 Bibliographie 46 American literature 45 Dictionaries, Polyglot 45 Bio-bibliography 42 Subject headings 41 Japanese 40 Book collecting 39 Books 39 Russian 38 Bibliothéconomie 37 Booksellers and bookselling 36 Encyclopedias and dictionaries 35 Shorthand 35 Literature 32 Terminology 32 Authors, American 31 less ...