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Filters: First Letter Of Title is S and Author is Langdon, Keith R  [Clear All Filters]
2007
Nichols, Becky J., and Keith R. Langdon. "The Smokies All Taxa Biodiversity Inventory: History and Progress." Southeastern Naturalist 6, no. sp2 (2007): 27-34.
2001
Langdon, Keith R.. "Scientific Research and Collecting Permits in National Parks." ATBI Quarterly 2, no. 2 (2001): 8.
Langdon, Keith R.. "Seslids, or Clear-Wing Moths." ATBI Quarterly 2, no. 3 (2001): 12.