Fast Facts about Columbia University Libraries

What’s in the Libraries

• 9.5 million volumes
• 117,264 current serial subscriptions
• 5,886,769 microforms
• 26 million manuscripts and 600,000 rare books
• 107,850 videos, DVDs, CDs, sound recordings
• 192,821 government documents

Who’s in the Libraries

• 3 million people visit the Libraries per year
• 130 librarians
• 185 administrative & support staff
• 300-400 part-time student employees per year

How Many

• 25 Columbia and affiliated libraries
• 174 miles of books and other items
• 73,000 items checked out per month
• 45,000 items renewed per month
• 140,000 items added to the collections per year
• 211,309 questions answered at service desks or via email
• 4,977,230 titles listed in CLIO, the Libraries online catalog
• 18,951,775 hits on the Libraries website per year
• 203,730 hits on e-reserves per year
• 1,097 library workshops, classes or tours offered per year

A Click Away

• 500+ databases
• 45,000 e-journals
• 450,000 e-books
• 645,000 e-images