Fields of interest
- Uncategorized
- Geographie
- Tierzucht – Pferd
- Tierzucht/ Tierproduktion (DDR)
- Dissertations
- Agricultural sciences
- African Studies
- Ancient Theology
- Ancient Theology Ascetics
- Ancient Theology Fiction
- Ancient Theology Dogmatics
- Ancient Theology Encyclopedia
- Ancient Theology Geography
- Ancient Theology Homiletics
- Ancient Theology Catechetics
- Ancient Theology Church History
- Ancient Theology Canon Law
- Ancient Theology Liturgy
- Ancient theology Miscellanea
- Ancient Theology Moral Theology
- Ancient Theology Natural Sciences
- Ancient Theology Pastoral Theology
- Ancient Theology Philology
- Ancient Theology Philosophy
- Ancient Theology Profanhistory
- Ancient Theology Scriptores Bibliae
- America Latina
- Ancient philology
- Ancient Theology Civil Law
- English Studies
- Arabic language and literature
- Architecture
- Architecture – Landscaping
- Foreign Law
- Business Administration
- Baltic languages and literature
- Civil Engineering
- Building Materials
- Mining and metallurgy
- Bibeln – Bibles – Bibliae
- Rare Books
- Ancient science
- Antique prints
- Antique Theology Patristics
- Antique theology philosophy
- Antique Theology History
- Library science
- Biology
- Biology – Anthropology
- Biology – Biophysics, Biochemistry, Physiol. Chemistry
- Biology – Botany
- Biology – Botany – Identification Books
- Biology – Botany – Dendrology/ Wood studies
- Biology – Botany – Mushroom Studies/ Mycology
- Biology – Cytology
- Biology – Nutritional Science
- Biology – Evolution
- Biology – Textbooks
- Biology – Physiology
- Biology – Zoology
- Biology – Zoology – Entomology (Insect Science)
- Biology – Zoology – Ornithology (Birdology)
- Biology – Zoology – Mammals
- Biology – Ecology
- Biomathematics
- Chemistry
- Chemistry – before 1918
- Chemistry – Textbooks
- Christian Orient
- Preservation of Monuments
- Design
- German history
- Electrical Engineering, Electronics, Communications
- Electrical engineering
- Ethnology
- Film and theatre
- Finno-Ugric Studies
- Fishing industry
- Forestry
- Horticulture
- Geobotany
- Geography – Americas
- Geography – Asia
- Geography – Africa
- Geography – Germany
- Geography – Europe
- Geography – Soviet Union/ CIS
- Geology
- Geology – Earthquakes
- Geology – Deposits
- Geology – Mineralogy
- Geology – Prehistory
- Geology – Quaternary
- Geology – Sediments
- Geology, old
- German studies
- History
- History – Eastern Europe
- History – Switzerland
- History – Egyptology
- History – Austria
- History of science
- History of the Middle Ages
- Greek – Didactics
- Housekeeping
- Local History
- Local history – Baden-Württemberg
- Local history – Bavaria
- Local history – Switzerland
- Local history – Sudeten / Bohemia
- Local history – Austria
- Historical Auxiliary Sciences
- INFORMATICS
- Indology
- Engineering
- Japanology
- Judaic Studies
- Catholic literature
- Art
- Plastics technology
- LUSITANISTICS
- Regional studies
- Regional studies- Poland
- Latin didactics
- Aerospace (magazines)
- MATHEMATICS
- Mechanical engineering
- Medicine
- Measurement, control and regulation technologies
- Military Studies
- Meteorology
- Music
- Music-CD
- NATURAL SCIENCES
- North Rhine Westphalia – Economic and social history
- Dutch language and literature
- Oriental studies
- PHYSICS
- POLITICAL SCIENCE
- Paleontology
- Musical Scores
- Philosophy
- Physics – Textbooks and Reference Works
- Physics – before 1918
- Polish studies
- Psychology
- Psychology before 1945
- Pedagogy
- Pedagogy – Didactics
- ROMANISTICS
- Legal history
- Law Sciences
- Law Studies before 1918
- Geology – Africa
- Geology – Alps
- Geology – Americas
- Geology – Asia
- Geology – Europe
- Geology – Germany
- Geology – France
- Geology – Greece
- Geology – Italy
- Geology – Carpathians
- Geology – Norway
- Geology – Romania
- Geology – Switzerland
- Geology – Austria
- Geology – Spain
- Geology – Polar Regions – Greenland
- Religious studies
- Romance Studies – Italian
- Romance Studies – Spanish
- French Romance Studies
- Romanian language and literature
- SOCIOLOGY
- School books
- Scandinavian Studies
- Slavic Studies
- Sports Science
- Language and literature
- Linguistics
- TECHNOLOGY
- Geology – Europe – Switzerland
- Bibeln – Bibles – Bibliae
- Catholic literature
- Patristic
- Theology – Islamic Studies
- Theology – Church History
- Economics
- Various
- Veterinary medicine
- Comparative literature studies
- Traffic, transportation
- International Law
- ECONOMICS
- Materials science
- Economics – Socialist School
- Dictionaries / Lexicography
- Biologie – Zoologie – Protozoen (Einzeller)
- Kunstgeschichte
- Fashion – Journals and Magazines
- Alte Theologie Religionswissenschaft
- General Linguistics
- Ancient History
- Ancient Theology Biblical Studies
- Ancient theology literature
- Ancient theology Economics
- Mechanical Engineering
- Engineering
- Metallurgy
- Transport
- Traffic
- Alte Theologie Spiritualitaet
- Alte Theologie Libri Prohibiti
- Alte Theologie WeltlichesRecht
- Alte Theologie Hagiographie
- Alte Theologie Franziskanerorden