Classification
ALH - Works of scientists and Nobel prize winners
202
ALE - Biographies of scientists and Nobel prize winners - individual
184
ALD - Biographies of scientists and Nobel prize winners - collected
67
AHZ - History of science and technology
35
LOH - Genetics - methods
30
LRH - Cytology - methods
29
PAE - Physics - general interest
27
LKH - Biochemistry - methods
26
AHK - Scientific work
24
AHP - Philosophy
22
ABM - Special subject biographies
21
PAD - Physics - comprehensive works
21
AHF - Research and science
20
HPK - Special pharmacology, drug design
18
ABH - National biographic catalogues - non-Europe
16
LHH - Microbiology - methods
13
CAN - Chemistry - mathematical methods, computer applications
12
HAA - Medicine - reference books
12
PKA - Elementary particles, nuclei - general
11
DYA - Artificial intelligence
10
FAHH - Materials research - historical aspects
10
HCR - Imaging techniques in medicine
10
PAM - Physics - miscellaneous topics
10
PBA - Quantum theory
10
PLA - Astrosciences - general
10
AHM - Theory of science
9
FGN - Nanotechnology
9
HTE - Oncology - general
9
FNL - Polymers, plastics - specific materials
8
LLH - Protein chemistry - methods
8
LON - Molecular genetics
8
MAD - Mathematics - comprehensive works
8
CAH - Chemistry - history
7
DOL - Programming language - Python
7
FLK - High pressure physics and technology
7
HCE - Biomedical engineering - general aspects
7
N - Sciences general ( journals )
7
YRA - Social studies
7
AMA - Education - general
6
CUW - Mass spectroscopy
6
HBG - Molecular biology in medicine, human genetics
6
LTH - Biotechnology - methods
6
LVN - Food science - chemistry, analytics
6
MDA - Foundations of mathematics
6
MWH - Statistics
6
PEG - Optics
6
CAD - Chemistry - comprehensive works
5
DOW - Programming language - LABVIEW, MATLAB
5
GVA - Oceanography
5
HDF - Brain - anatomy, function, disorders
5
more ...