This page details pricing for institutional subscriptions to ProtoBooks content. Scroll down to find the pricing details for the ProtoBooks publisher(s) you are interested in. Fill out the contact form at the bottom of the page to
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The Library of Congress tiers its institutional access based on the number of concurrent users. This means the price at which an institution can purchase the entire LOC ebook catalog depends on how many of their users will be accessing the LOC content at any given time.
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