Classification
AHK - Scientific work
274
AHM - Theory of science
10
AHF - Research and science
7
ZCE - Bibliometrics
7
AHL - Presentations, lectures, discussions
6
HDG - Psychology, psychiatry
5
ACE - Germanic languages, Indo-Germanic languages
4
AHN - Media and communication science
4
YRB - Social sciences, sociology
4
DTAD - MS - Word
3
LAM - Biology - theoretical and philosophical fundamentals
3
YPD - Business economics
3
ZAB - Media studies (without bibliology)
3
ZBAD - Library science
3
ZBHC - Electronic publishing
3
011 - Simulation Science (advanced reading)
2
AHA - Research and development, research politics - general
2
AHP - Philosophy
2
AHPC - Ethics
2
AMA - Education - general
2
AYA - Sciences - general aspects
2
DMA - Programming
2
DMF - Software engineering
2
DWI - Information management
2
GUA - Geography - general
2
GUAB - Geography - anthropological
2
LAL - Biology - general aspects
2
YRA - Social studies
2
YRAB - Gender studies
2
ZBAE - Conferences
2
ZBB - Library staff
2
ZCB - Information science
2
ACA - Languages, dictionaries - general
1
AES - Universities, academies - Germany
1
AHO - linguistics, literary studies
1
AMAB - Industrial training, further education
1
AMAB - industrial training, further education
1
AQAD - Reference guides to the Internet
1
AQTC - Publication lists of institutions - Germany
1
CAU - Laboratory and safety engineering in chemistry
1
DAE - Information technology - general
1
DNC - Internet
1
DUA - Text and document processing
1
HAA - Medicine - reference books
1
HAE - Popular medicine
1
HAM - Medicine - theoretical and philosophical fundamentals
1
HCE - Biomedical engineering - general aspects
1
LAE - Popular biology
1
LAQ - Laboratory and safety engineering in biology
1
MWHA - General aspects of statistics
1
more ...