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Sustainable Collection Services®

SCS Monographs Index

These numbers are based on 212 U.S. academic libraries, and 82 million holdings. They include research libraries, state universities, 4-year colleges, and a handful of community colleges.

Collection measure Average value High value Low value
Monographs Count
386,564
2,152,279
13,367
Titles held by 100+ U.S. libraries—same edition
75%
95%
27%
Titles held by 5 or fewer U.S. libraries—any edition
1%
13%
0%
Held in Hathi Trust with In Copyright status
40%
55%
21%
Held in Hathi Trust with Public Domain status
5%
12%
0%
Titles with Zero Recorded Uses
42%
99%
9%
Titles with 1 to 3 Recorded Uses
33%
57%
0%
Titles with 3+ Recorded Uses
25%
75%
0%
Publication year prior to 2005
88%
99%
59%

Updated: January 2017

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