No.	Title	Date
21	Big Sable Creek (Stop XXIII) ( 14 photograph sets )
22	Biomass and Primary Production of Microphytes and Macrophytes in Periphyton Habitats of the Everglades	1982-05
23	Birds of... Everglades National Park	1984
24	Butterflies of... Everglades National Park.	1980/1989
25	Butterflies of Everglades National Park	1980-06
26	Cape Sable Sparrow Management Plan	1982-04
27	Channel Marker 12 (Stop 81-XIII) ( 8 photograph sets )
28	Colonial Bird Monitoring in South Florida National Parks	1978-04-05
29	Commemorating the establishment of the Everglades National Park	1930
30	Contaminant Assessment and Risk Evaluation Project	2016
31	Controls on mangrove forest-atmosphere carbon dioxide exchanges in western Everglades National Park	2010
32	Correspondence	1930
33	Correspondence	1932
34	Correspondence	1928
35	Correspondence	1929
36	Correspondence and ephemera pertaining to the sale of land in the Chevelier Tract to the federal government and to the creation of Everglades National Park	1931
37	Correspondence and photographs relating to national park committee visit to the Everglades, 1929-1930.	1930
38	Correspondence and records relating to the Chevelier Corporation and the Hopkins/Chevelier Tract	1937
39	Correspondence relating to the creation and boundaries for Everglades National Park	1936
40	Correspondence relating to the creation of Everglades National Park	1934