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- [1] COOPERATIVE PARK STUDIES UNITS - UNIVERSITY-BASED SCIENCE PROGRAMS IN THE NATIONAL-PARK SERVICE JOURNAL OF ENVIRONMENTAL EDUCATION, 1983, 14 (02): : 24 - 28
- [2] Burros in National Park Service units: Legal issues, history, and present status MAKING PROTECTION WORK: PROCEEDINGS OF THE 9TH CONFERENCE ON RESEARCH AND RESOURCE MANAGEMENT IN PARKS AND ON PUBLIC LANDS, 1997, : 161 - 165
- [4] New font and arrow for national park service guide signs TRAFFIC CONTROL DEVICES, VISIBILITY, AND RAIL-HIGHWAY GRADE CROSSINGS 2004, 2004, (1862): : 1 - 9
- [9] Telling Larger Stories: Five Additions to the National Park Service Official Handbook Series PUBLIC HISTORIAN, 2016, 38 (04): : 298 - 304
- [10] A National Park in the Wasteland American and National Park Service Perceptions of the Desert PUBLIC HISTORIAN, 2016, 38 (04): : 38 - 55