Prospector, Interlibrary Loan & Purchase Suggestions

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Step 1: Search the Library Catalog

Not in our catalog? Proceed to Step 2.

Step 2: Search Prospector

Prospector is a combined catalog from other library collections near Denver. Not available from Prospector? Proceed to Step 3.

Step 3: Search WorldCat to place an Interlibrary Loan (ILL).

WorldCat is a collection of over 2 billion items from libraries across the world.
Coming soon - try the new WorldCat Discovery! 

Login to Request It! to track your WorldCat ILL requests or to submit a purchase suggestion. Interlibrary Loan Requests will not show in My Account until they are received at DPL. 

Request It does not currently support the Safari web browser. We recommend using a recent version of Firefox or Chrome when making Interlibrary Loan requests via WorldCat or Request It.

Contact Us

Help Searching Prospector / WorldCat and Placing Requests

Ask Us! 24/7 Online Chat
Telephone: 720-865-1363

Status of Pending Prospector Requests

Telephone: 720-865-1325

Current Interlibrary Loan Requests - WorldCat

Telephone: 720-865-1718

Purchase Suggestions

Loan Requirements, Limits and Other Information

  • A permanent, full-privilege library card is required to use these services.
  • You may submit 30 requests per year into the Request It system, including requests placed through WorldCat and purchase suggestions. All requests are counted, regardless of outcome.
  • Customers who have reached their hold limit or have reached the $5 fine limit, are not eligible to place Prospector requests and will see a message that "Your ID is Blocked."