Format
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115,994 results
Article
98,747 results
Archived Material
68,947 results
Review
13,047 results
Journal
7,780 results
Microfilm
6,999 results
Series/Journal
4,081 results
Literary Remains
2,158 results
Microfiche
347 results
Map
199 results
Newspaper
182 results
Statistics
118 results
Musical Score
97 results
Audio
95 results
Manuscript
91 results
Cassette
77 results
Video
43 results
Unknown
29 results
VHS
28 results
Photo
24 results
Data Medium
23 results
Dictionary entry/article
14 results
DVD
13 results
Website
12 results
CD
10 results
Database
9 results
Weblog
6 results
Kit
5 results