Letter from [Alan Archibald Campbell] Swinton, to Mr. Otto Glasser, Ph. d., Dept. of Rad. Research, The Cleveland Clinic Foundation, Euclid Avenue at 93rd Street, Cleveland Ohio Referring to their previous correspondence, identifies he forgot to mention that much of the data on his early work on Rontgen Rays can hardly be called papers. Encloses a list of his papers, lectures, and articles on X-Ray and vacuum-tube work, as well as copies of such papers [enclosures not present]. 24 December 1929