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Interlibrary Loan

The Interlibrary Loan service offers several options to borrow materials from other libraries.

For books and media requests

Use Prospector to search for and request items from Colorado and Wyoming libraries.

  1. Prospector is the fastest way to get library items from Colorado and Wyoming libraries.
  2. Place a hold on the item you want to borrow, using your Boulder Public Library card.
  3. In most cases, the item will arrive within a week from our library partners.

Use Mobius to search for and request items from Missouri libraries that are not available from Prospector.

  1. Mobius is the next resource to search for items not available from Prospector.
  2. Place a hold on the item you want to borrow, using your Boulder Public Library card.
  3. In most cases, the item will arrive within a week from our library partners.

NOTE: The link to Classic Worldcat is not working. Please use the Discovery Worldcat link below the numeric list: Use WorldCat to search for and request materials from U.S. libraries that are not available from Prospector and Mobius.

  1. A Boulder Public Library card number may be required to search for items.
  2. Search for the item you want to borrow. Click on the title. A new browser window will open.
  3. Click on the Interlibrary Loan button on the upper left of the navigation bar worldcat ILL button.
  4. A form will open. Fill it out completely.
  5. In most cases, the item will arrive within two or three weeks.
  6. Review the Interlibrary Loan guidelines for information about fees and loan periods.
  7. NOTE: Requests from U.S. libraries only and 5 requests/loans at one time.

Try the new search interface WorldCat Discovery to request items!

To renew books and media
Interlibrary Loan Renewal Form

For article requests

You may request a journal article through Interlibrary Loan for any journal that the Boulder Public Library does not own.
Article Request Form

Guidelines

Books and media requests

A valid Boulder Public Library card and Boulder County residency are required to borrow books and media. If your library account has accrued fees of $10 or more, borrowing privileges will be suspended until the fees are paid.

Limits: A total of 5 interlibrary loan requests/loans at one time.

Loan period: Typically, 3 weeks (1 week for DVDs) but may vary.

Loan fees: Most items are loaned free of charge. A small percentage of items are loaned for a fee usually between $10 to $30. Please indicate your willingness to pay loan fees on the request form. Any fees due will be added to your library account and must be paid even if you do not pick up the item.

Late fees: $.20/day.

Lost item fees: Vary and are set by the lending library.

Note: BPL is unable to request items from international libraries.

Renewals: Submit the Interlibrary Loan renewal form at least 2 days before the due date. Renewals are granted by the lending library per their policies. There is no guarantee of renewal. You will be notified by email or phone. Allow several days for notification.

Article requests

Articles may only be requested using the Interlibrary Loan article request form. Articles will be provided in the format they are received, paper or electronic format.

A valid Boulder Public Library card and Boulder County residency is required.

Limits: None. Processing multiple requests may be limited based on staff time.

Approved by the Library Commission on March 1, 2017.