About the American Philatelic Research Library - The APRL has one of the world's largest and most accessible collections of philatelic literature. Its nearly three miles of shelving contain more than 23,000 book titles and 5,700 journal titles. The APRL Digital Collections include digital versions of resources from the APRL collection, as well as born-digital resources we have permission to share, and contributed content from other sources. The APRL also provides traditional library resources.
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