Copyright and Citation Information


Most materials in the Library are in the public domain. Section 108 of the copyright law allows copies for private study, scholarship, or research.

The copyright status of some materials is unknown or under copyright protection. These materials require permission of the copyright holder before publication. Researchers are responsible for obtaining permission from the copyright holder. The Library will provide the names of copyright holders when known.


Most materials can be scanned or photocopied. The scanner in the research room can be used at no charge. Researchers should bring their own USB memory stick. They may also bring digital cameras or flatbed scanners. Automatic feeders and roller scanners are not allowed.

Self-serve photocopies in the Research Room are $.25 per page.

Ordering Reproductions

Reproduction fees are set by the National Archives and Records Administration and must be paid before delivery of the order. Checks, money orders, and credit cards are accepted. All payments be made in U.S. currency. Foreign checks and money orders must be payable in U.S. funds.

Photocopies are mailed through the U.S. Postal Service at no charge to U.S. addresses. Overseas shipping or alternate delivery may be arranged at the researcher's expense. Scanned material is delivered by email or the file sharing website Onehub.

Staff scans are resolution up to 600 dpi or 4000 pixels on the long dimension; black-and-white, grayscale or 24 bit color, with no color adjustments. Scans are available in .TIF, .JPG, .BMP and .PDF formats.

Fees for textual materials (up to 11" x 17")
Self-service black-and-white photocopies: $0.25 per page
Photocopies or scans made by staff: $0.80 per page ($20.00 minimum order). 
We are unable to offer reproductions from microfilm. 
Items larger than 11" x 17" require special handling and additional fees. Contact us for more information.

Fees for photographs
Scans made by staff: $0.80 per page ($20.00 minimum order). 
We are unable to offer enhanced or color-corrected scans. 

Fees for moving images: Contact us for more information.

E-mail or call 319-643-5301 if you have any questions.


Citations should identify the item; specify the location of material, including the collection, series and folder titles; and identify the Library.

Herbert Hoover to L. W. Wallace, September 12, 1926; Herbert Hoover Secretary of Commerce Files, American Engineering Council;  Herbert Hoover Presidential Library.

Herbert Hoover to Miguel Paz Barahona, November 27, 1928;  Herbert Hoover Campaign and Transition Papers, Subject Files, Trips, Latin America, Honduras;  Herbert Hoover Presidential Library.

Harry S. Truman to Herbert Hoover, July 23, 1948; Herbert Hoover Post Presidential Papers, Individual Correspondence,  Truman, Harry S; Herbert Hoover Presidential Library.

W. Cameron Forbes to William R. Castle, April 6, 1931; William R. Castle, Jr. Papers, State Department Correspondence, Japan; Herbert Hoover Presidential Library.

Report, War Resources Committee, December 5, 1939. Robert E. Wood Papers, Subject Files, War Resources Board, Reports and Studies; Herbert Hoover Presidential Library.