Prospector, Interlibrary Loan & Purchase Suggestions

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Step 1

DPL CatalogSearch the Library Catalog first to see if DPL owns the item. Not in our catalog? Proceed to Step 2.

Step 2

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

Step 3

WorldCatSearch WorldCat, a collection of over 2 billion items from libraries across the world.


Manage Your Requests

Request It!

Login to Request It! for tracking your WorldCat requests or to submit a purchase suggestion. Purchasing Guidelines for AuthorsInterlibrary Loan & Purchase Suggestion FAQs.


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.


Still Didn't Find It? Need Help?


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 WorldCat Requests — Interlibrary Loan
Telephone: 720-865-1718

Purchase Suggestions
Please submit purchase suggestions through Request It!


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."
  • Purchasing Guidelines for Authors.
  • Interlibrary Loan & Purchase Suggestion FAQs.


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