No.	Title	Date
21	Assessing the Conservation Efficacy of the Dry Tortugas National Park Research Natural Area	2007
22	August 10th Letter Page 1 ( 2 items )
23	August 8th Letter ( 5 items )
24	Bay Head (Stop 81- VII) ( 29 photograph sets )
25	A Bibliography of South Florida Botany	1980-08
26	A bibliography of the hydrology of the Everglades and the Big Cypress Swamp, Florida	1977-09
27	Big Sable Creek (Stop XXIII) ( 14 photograph sets )
28	Biomass and Primary Production of Microphytes and Macrophytes in Periphyton Habitats of the Everglades	1982-05
29	Birds of... Everglades National Park	1984
30	Blimp and Land-based Photographs of Proposed Park, 1934 edited ( 19 items )
31	Boaters in Everglades National Park	1952
32	Butterflies of... Everglades National Park.	1980/1989
33	Butterflies of Everglades National Park	1980-06
34	Changes to Areas of the Everglades National Park	1937-06-08
35	Channel Marker 12 (Stop 81-XIII) ( 8 photograph sets )
36	Cold war in South Florida : Historic resource study	2004-10
37	Collection Information ( 183 items )
38	Colonial Bird Monitoring in South Florida National Parks	1978-04-05
39	Commemorating the establishment of the Everglades National Park	1930
40	Contaminant Assessment and Risk Evaluation Project	2016