Map of grounds, undated Box 104, Folder 9 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Marvin Hall A-R, 1958 Box 81, Folder 58-65 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Marvin Hal S-Z, 1958 Box 82, Folder 1-5 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Master restraint sheets, undated Box 83, Folder 61 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Matthews Hall, 1958 Box 80, Folder 41-49 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Meal data, 1953-1961 Box 75 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Medical records, 1941-1981 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Membership drive list, 1987 December-1988 June Box 35, Folder 42 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Memorial sketch of Henry Martin Knight ... late superintendent of the School for Imbeciles at Lakeville, Conn.. / Russel, Gurdon Wadsworth, 1891 Box 30, Folder 17 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…
Mental defectives and epileptics females Box 80 Bookmark Collection Context Connecticut State Library, State Archives Mansfield Training School records, 1863-1992…