Correspondence with collaborator, Rainer Ruckert, 1970-1990 Box 70, Folder 25-27 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Ceramics Files, 1942-1990, undatedWritings on ceramicsCatalogue of the Hans Syz Collection: Vol. I. Meissen porcelain and Hausmalerei
Correspondence with Foundation members, 1942-1969 Box 61, Folder 73 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Lifwynn Foundation Files, 1912-1988, undatedStaff filesGalt, Alfreda Sill
Correspondence with Freud, Jung and D.H. Lawrence [copies], 1913-1937 Box 61, Folder 51 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Lifwynn Foundation Files, 1912-1988, undatedStaff filesBurrow, Trigant
Correspondence with individuals Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Ceramics Files, 1942-1990, undated
Correspondence with staff and associates [selective], 1927-1948 Box 61, Folder 52 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Lifwynn Foundation Files, 1912-1988, undatedStaff filesBurrow, Trigant
Correspondence with W.Galt, 1951-1954 Box 62, Folder 86 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Lifwynn Foundation Files, 1912-1988, undatedStaff filesGilden, Lloyd
Corsini, Raymond, 1957-1960 Box 3, Folder 60 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991General Files, 1917-1991
Cotention Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Notes, 1915-1982, undatedTopical notesAlphabetical
Critique by Iris (Ciarpella) Gelletti, 1972-1972 Box 44, Folder 57 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Writings and Research Materials, 1911-1987, undatedPublishedBooksVom Sein und vom Sinn, 1972-1972
Critique by Iris (Ciarpella) Gelletti, 1972-1972 Box 47, Folder 141 Bookmark Collection Context Yale University -Manuscripts and Archives Hans Caspar Syz papers, 1911-1991Writings and Research Materials, 1911-1987, undatedUnpublished writingsArticles, books and book reviews"Basic Awareness and Being"