Classification
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AHJ - Training methods
29
AHK - Scientific work
274
AHL - Presentations, lectures, discussions
137
AHM - Theory of science
158
AHN - Media and communication science
122
AHNC - Journalism
26
AHNF - Communication design
20
AHO - linguistics, literary studies
8
AHP - Philosophy
551
AHPC - Ethics
162
AHPC - Ethics
2
AHPD - Epistemology
21
AHPE - Philosophy of Science
35
AHPF - Logic
1
AHQ - Art and exhibitions
52
AHX - History - general
42
AHXB - Archaeology
24
AHZ - History of science and technology
373
AHZ - History of science and technology
1
AJA - Directories - general
63
ALA - Nobel prize winners - collected papers
58
ALD - Biographies of scientists and Nobel prize winners - collected
67
ALE - Biographies of scientists and Nobel prize winners - individual
184
ALH - Werke von Nobelpreisträgern, berühmten Naturwissenschaftlern
1
ALH - Works of scientists and Nobel prize winners
202
AMA - Education - general
338
AMAB - Industrial training, further education
78
AMAB - Industrial training, further educationä#
1
AMAB - industrial training, further education
20
AQA - Reference guides - general and specific
1
AQAA - Reference guides - general outlines
1
AQAB - Reference guides to online databases
3
AQAC - Reference guides to CD-ROM databases
1
AQAD - Reference guides to the Internet
5
AQAF - Reference guides to government publications
6
AQAG - Reference guides to patents and standards
6
AQB - Reference guides to science and technology
3
AQBD - Reference guides - physics
3
AQBE - Reference guides - chemistry
5
AQBF - Reference guides - biology and biotechnology
1
AQBH - Reference guides - medicine
2
AQBL - Reference guides - agriculture
1
AQBN - Reference guides - environment, ecology
2
AQBT - Reference guides - engineering
2
AQD - Reference guides to social sciences
4
AQE - Reference guides to library and information science
2
AQMD - Bibliographies of online databases
3
AQME - Bibliographies of CD-ROM databases
1
AQMG - Bibliographies of printed bibliographies
3
AQNA - National bibliographies and lists of books in print - Germany
356
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