| Computer science, information and general works |
|---|
| Computer science, knowledge and systems |
| Computer science, information and general works |
| Knowledge |
| The book |
| Systems |
| Data processing and computer science |
| Computer programming, programs and data |
| Special computer methods |
| Bibliographies |
| Bibliography |
| Bibliographies |
| Bibliographies of individuals |
| Of anonymous and pseudonymous works |
| Bibliographies of works from specific places |
| Bibliographies of works on specific subjects |
| General subject catalogs |
| Catalogs arranged by author, date, etc. |
| Dictionary catalogs |
| Library and information sciences |
| Library and information sciences |
| Library relationships |
| Administration of physical plant |
| Personnel management |
| Library operations |
| Libraries for specific subjects |
| General libraries |
| Reading and use of other information media |
| Encyclopedias and books of facts |
| General encyclopedic works |
| Encyclopedias in American English |
| Encyclopedias in English |
| In other Germanic languages |
| Encyclopedias in French, Occitan and Catalan |
| In Italian, Romanian and related languages |
| Encyclopedias in Spanish and Portuguese |
| Encyclopedias in Slavic languages |
| Encyclopedias in Scandinavian languages |
| Encyclopedias in other languages |
| Magazines, journals and serials |
| General serial publications |
| Serials in American English |
| Serials in English |
| Serials in other Germanic languages |
| Serials in French, Occitan and Catalan |
| In Italian, Romanian and related languages |
| Serials in Spanish and Portuguese |
| Serials in Slavic languages |
| Serials in Scandinavian languages |
| Serials in other languages |
| Associations, organizations and museums |
| General organizations and museum science |
| Organizations in North America |
| Organizations in British Isles; in England |
| Organizations in central Europe; in Germany |
| Organizations in France and Monaco |
| Organizations in Italy and adjacent islands |
| In Iberian Peninsula and adjacent islands |
| Organizations in eastern Europe; in Russia |
| Organizations in other geographic areas |
| Museum science |
| News media, journalism and publishing |
| News media, journalism and publishing |
| Newspapers in North America |
| Newspapers in British Isles; in England |
| Newspapers in central Europe; in Germany |
| Newspapers in France and Monaco |
| Newspapers in Italy and adjacent islands |
| In Iberian Peninsula and adjacent islands |
| Newspapers in eastern Europe; in Russia |
| Newspapers in Scandinavia |
| Newspapers in other geographic areas |
| Quotations |
| General collections |
| Collections in American English |
| Collections in English |
| Collections in other Germanic languages |
| Collections in French, Occitan and Catalan |
| In Italian, Romanian and related languages |
| Collections in Spanish and Portuguese |
| Collections in Slavic languages |
| Collections in Scandinavian languages |
| Collections in other languages |
| Manuscripts and rare books |
| Manuscripts and rare books |
| Manuscripts |
| Block books |
| Incunabula |
| Printed books |
| Books notable for bindings |
| Books notable for illustrations |
| Books notable for ownership or origin |
| Prohibited works, forgeries and hoaxes |
| Books notable for format |