No.	Title	Date
1	Fort Jefferson National Monument, Florida : shipwreck study -- the Dry Tortugas.	1971
2	Scientific studies on Dry Tortugas National Park: An annotated bibliography	1997
3	Cold war in South Florida : Historic resource study	2004-10
4	Assessing the Conservation Efficacy of the Dry Tortugas National Park Research Natural Area	2007