found: Knox, Robert. Radiography, X-ray therapeutics and radium therapy, 1916:t.p. (Robert Knox, Hon. Radiographer, King's College Hospital, London)
found: OCLC, Oct. 19, 2009:(hdg.: Knox, Robert, 1868-1928; Knox, Robert, Radiographer; Knox, Robert, 1869-; usage: Robert Knox, M.D.)
found: Radiography, X-ray therapeutics and radium therapy, 1915:t.p. (Robert Knox, M.D. (Edin.), M.R.C.S. (Eng.), L.R.C.P. (Lond.), hon. radiographer, King's College Hospital, London, director, electrical and radiotherapeutic department, Cancer Hospital, London, hon. radiographer, Great Northern Central Hospital, London, captaion R.A.M.C. (T.) 4th London General Hospital (in charge of X-ray department))
found: British journal of radiology, 1928:p. 344 (obit.: Robert Knox; d. 21 Sept., [1928] in his 61st year; b. Leith)