Joseph J. Michaels was a president of Boston Psychoanalytic Society and Institute from 1958 to 1961. His collection consists of one box of manuscripts, correspondence, clippings, and reprints from the period of 1947-1966. Additional correspondence of Joseph Michaels could be found in the BPSI Historic Collections listed below.
Finding Aid for this collection is available here (viewing it requires Adobe Acrobat Reader).

Related BPSI Collections
Assorted Reprints, 1928-1983
BPSI History Collections: 25th Anniversary – Birth of an Institute
BPSI History Collections: Historical Files
BPSI History Collections: Scientific Meetings

Related Sites
Michaels, Joseph J. citations (from Psychosomatic Medicine multiple journal search)
Disorder of Character by Joseph J. Michaels ( citation)