Library of Congress Collection
Number of Textual Scans online
The progress bar provides an estimate of the percentage of textual pages in this Collection Group that are available online. Some Collection Groups have only one format while others have multiple formats.
About the Presidential Library Explorer Numbers
The Presidential Library Explorer data visualization is based on a count of the scans of textual pages available through the National Archives Catalog and an estimate of the total number of textual pages currently in Presidential Library holdings. Numbers will be updated monthly to reflect new additions to the Catalog and future iterations of the Explorer will provide additional data on records types other than textual records.
How Presidential Library Explorer Numbers are Calculated
The number of scans online uses file counts accessed via the National Archives Catalog API.
The estimated total pages in each Library is calculated by taking the volume of textual records (in cubic feet) and multiplying by an average of 2,500 pages of records per cubic foot. The 2,500 page average coming from historical capacity estimates for a Federal Records Center (FRC) box used to store archival documents.
The percent of scanned textual pages online equals scans online / estimated total pages.
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In the meantime, explore descriptions of our records. These records, though not yet digitized, are available at National Archives locations.
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