This bibliography lists 64 items on the topic of preservation of library materials that are held by the U.S. Department of Agriculture's National Agricultural Library (NAL). The items include books, reports, periodicals, and audiovisual media. The bibliography was presented for NAL staff, who are responsible for the 2 million volumes of books, reports, proceedings, journals, maps, photos and other items in the collection. A description of document delivery services provided to individuals and a list of electronic mail addresses for requesting interlibrary loans are included. (KRN)