SUBJECT
Books
Classification
274
Classification, Library of Congress
93
History
57
Conservation and restoration
32
Law
25
Bibliography
19
Literature
19
Printing
19
Cataloging
17
Library materials
16
Social sciences
15
Libraries
14
Reviews
13
Philology
10
Religion
10
Bookbinding
9
Library science
9
Science
9
Prices
8
Manuscripts
7
Preservation
7
Publishers and publishing
7
Agriculture
6
Medicine
6
Music
6
Philosophy
6
Political science
6
Spanish literature
6
Technology
6
American literature
5
Archival materials
5
Asia
5
Book industries and trade
5
Books and reading
5
Classical philology
5
Education
5
English literature
5
General works
5
Geography
5
German literature
5
Language and languages
5
Languages, Modern
5
Paper
5
Periodicals
5
Printing--History
5
Psychology
5
Africa
4
Anthropology
4
Archives
4
more ...