Hotvedt, James E, and Jackson, Ben D. Anon.n.d. Predicting Growth and Yield in the Mid-South. In 31st Annual Forestry Symposium. 31st Annual Forestry Symposium. Baton Rouge: School of Forestry and Wildlife Management, Division of Continuing Education Louisiana State University.

Douglass, AE. Anon.1942. Crossdating at Mesa Verde National Park. Journal of Forestry 40, no. No. 4. Journal of Forestry.

Arno, Stephan F. Anon.1967. An Aid to Help Park Naturalists to Acquaint Visitors with the Subalpine-Alpine Ecotone of Wesern North America. University of Montana.

Mutch, Linda Susan. Anon.1994. Growth responses of giant sequoia to fire and climate in Sequoia and Kings Canyon National Parks, California. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=743039441&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.