Genre
Rules and practice
720
Statistics
535
Periodicals
500
Rules
249
Electronic books
204
Government publications
196
Bibliography
159
Case studies
134
Legislative materials
114
Records and correspondence
89
Handbooks, manuals, etc
74
Databases
63
Census, 2000
59
Congresses
52
Census, 1990
50
Census
40
Abstracts
38
Bibliographies
36
Safety regulations
34
Classification
29
Directories
29
Conference papers and proceedings
28
Inventories
27
Legislation
27
Commercial treaties
26
Cases
24
History
22
Census data
21
Digests
17
Statistiques
17
Tables
17
Dictionaries
15
Catalogs
14
Trials, litigation, etc
14
Census, 1980
12
Indexes
12
Terminology
12
Designs and plans
11
Field guides
11
Electronic government information
10
Travel regulations
10
Identification
9
Registers
9
Census, 21st, 1990
8
Formulae, receipts, prescriptions
8
Telephone directories
8
Annual reports
7
Cross-cultural studies
7
Handbooks and manuals
7
Parts
7
more ...