No.	Title	Date
21	Biomass and Primary Production of Microphytes and Macrophytes in Periphyton Habitats of the Everglades	1982-05
22	Blimp and Land-based Photographs of Proposed Park, 1934 edited ( 19 items )
23	Butterflies of Everglades National Park	1980-06
24	Changes to Areas of the Everglades National Park	1937-06-08
25	Colonial Bird Monitoring in South Florida National Parks	1978-04-05
26	Commemorating the establishment of the Everglades National Park	1930
27	Controls on mangrove forest-atmosphere carbon dioxide exchanges in western Everglades National Park	2010
28	Correspondence	1930
29	Correspondence	1932
30	Correspondence	1928
31	Correspondence	1929
32	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
33	Correspondence and photographs relating to national park committee visit to the Everglades, 1929-1930.	1930
34	Correspondence and records relating to the Chevelier Corporation and the Hopkins/Chevelier Tract	1937
35	Correspondence relating to the creation and boundaries for Everglades National Park	1936
36	Correspondence relating to the creation of Everglades National Park	1934
37	Correspondence relating to the creation of Everglades National Park	1931
38	Correspondence with Robert Ranson	1926
39	Correspondence with Robert Ranson	1926
40	December 23rd Letter to Ernest F. Coe ( 4 items )