Visitors are strongly encouraged to use the Prospector service
through their local libraries to access the Penrose Collection.
If you wish to use any materials from our storage facility on site, they must first be requested. You may request as many materials as you wish for viewing within Main Library. There is a six item and three week limit for checkouts and you will need your Institutional ID
(Reciprocal Borrowers), Visitor Pass
(Purchasable), or Referral Card
(Public Patrons). To request materials, please call 303-871-3707. Items may be picked up at the Lending Desk.
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Please note that only current DU students, staff, and faculty may access Main Library from 12am-7am.