SUBJECT
Classification
Books
283
Classification, Library of Congress
99
Botany
50
Diagnosis
31
History
31
Cataloging
27
Commercial products
27
Law
27
Occupations
27
Mental illness
26
Plants
26
Quarantine
26
Tumors
19
Biology
18
Social sciences
18
Zoology
18
COVID-19
17
Literature
17
Soils
17
Nosology
16
Identification
15
Land
15
Bacteriology
13
Bibliography
13
Language and languages
13
Evolution
11
Philosophy
11
Religion
11
Science
11
Agriculture
10
Fishes
10
Insects
10
Medicine
10
Metro Manila
10
Philology
10
Angiosperms
9
Animals
9
Anthropology
9
Civil service positions
9
Music
9
Algae
8
Atlases
8
Bacteria
8
Folklore
8
Sociology
8
Tales
8
Terminology
8
Description
7
Information organization
7
more ...