Article Dexter, Ralph W. (1990)
The rôle of E.S. Morse, director of the Peabody Academy of Science, in bringing zoology to Japan (1877-1883). Essex Institute Historical Collection (pp. 254-260). (/isis/citation/CBB000064503/) unapi

Article Dexter, Ralph W. (1986)
Two centuries of naturalists on Cape Ann, Massachusetts. Essex Institute Historical Collection (pp. 246-258). (/isis/citation/CBB000055203/) unapi

Article Berman, Mildred (1986)
Salem's physician-meteorologist: Dr. Edward A. Holyoke. Essex Institute Historical Collection (pp. 237-245). (/isis/citation/CBB000055096/) unapi

Article Kornblith, Gary J. (1985)
The rise of the mechanic interest and the campaign to develop manufacturing in Salem, 1815-1830. Essex Institute Historical Collection (pp. 44-65). (/isis/citation/CBB000018542/) unapi

Article Dexter, Ralph W. (1984)
“Dear Alice”: Letters of F. W. Putnam to his daughter (1874-1914). Essex Institute Historical Collection (pp. 110-131). (/isis/citation/CBB000006035/) unapi

Article Dexter, Ralph W. (1983)
More on the Cuvier Natural History Society of Salem. Essex Institute Historical Collection (pp. 95-98). (/isis/citation/CBB000002715/) unapi

Article Dexter, Ralph W. (1982)
F. W. Putnam as Secretary of the American Association for the Advancement of Science (1873-1898). Essex Institute Historical Collection (pp. 106-118). (/isis/citation/CBB000027148/) unapi

Article Hercher, Gail Pike (1980)
The work cure at Devereux Mansion. Essex Institute Historical Collection (pp. 101-110). (/isis/citation/CBB000000485/) unapi

Article Dexter, Ralph W. (1980)
Natural history at the Essex Institute, 1848-1898. Essex Institute Historical Collection (pp. 21-33). (/isis/citation/CBB000000588/) unapi

Article Dexter, Ralph W. (1979)
The impact of evolutionary theories on the Salem group of Agassiz zoologists (Morse, Hyatt, Packard, Putnam). Essex Institute Historical Collection (pp. 144-171). (/isis/citation/CBB000008353/) unapi

Article Barlow, William; Powell, David O. (1978)
James Thacher's American medical biography: The sketch of Dr. Joseph Orne of Salem and Beverly, Massachusetts. Essex Institute Historical Collection (pp. 213-221). (/isis/citation/CBB000021934/) unapi

Article Dexter, Ralph W. (1977)
The Essex County Natural History Society, 1833-1848. Essex Institute Historical Collection (pp. 38-53). (/isis/citation/CBB000021967/) unapi