SUBJECT
Libraries
480
Library science
321
Books
209
Library administration
176
Classification
160
Academic libraries
150
School libraries
145
Information services
142
Bibliography
127
Cataloging
126
Information science
125
Books and reading
107
Librarians
104
Special collections
102
Management
101
Information storage and retrieval systems
100
Automation
91
Administration
86
History
85
Digital libraries
83
Reference books
82
Information technology
81
Reference services (Libraries)
77
American Library Association
76
Subject headings
72
Indexing
70
Libraries, University and college
69
Libraries and readers
67
Public libraries
67
Research
65
Electronic information resources
63
Library education
60
Information retrieval
55
Conservation and restoration
54
Children's literature--Bibliography
53
Information literacy
53
Data processing
52
Children's literature
51
Publishers and publishing
51
Library architecture
50
Methodology
47
Collection development (Libraries)
45
Collection development
43
Library information networks
43
Library materials
43
Technological innovations
43
Book industries and trade
42
Book selection
41
Reference books--Bibliography
41
Library cooperation
40
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