found: Her Starsilk, c1984:t.p. (Sydney J. Van Scyoc) t.p. verso (Sydney Joyce Van Scyoc)
found: LC data base, 11/14/84(hdg.: Van Scyoc, Sydney J.)
found: Van Scyoc's website, Dec 18, 2003(Sydney J. Van Scyoc, b. in southern Indiana; birth name Sydney Joyce Brown; family and friends called her Joyce; used her first name to help break into the science fiction market which was dominated by male writers)
found: Assignment Nor' Dyren, 1973 :title page (by Sydney Van Scyoc)
found: Internet speculative fiction database, 19 August 2015(Sydney J. Van Scyoc ; born 27 July, 1939 ; American science fiction author)