| Characteristic | Total | Traditional | Non-traditional** |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Source
Release date
August 2014
Region
United States
Survey time period
2008 to 2013
Supplementary notes
* Projection.
** Non-traditional consists largely of reprints, often public domain, and other titles printed on-demand. The number also includes records received too late to recieve subject classification.
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