1. Presentation of the Albert H. Ketcham Award to Harry Sicher by Nathan Gaston, president of the American board of Orthodontics;American Association of Orthodontists;Am. J. Orthod.,1968
2. AT-UAW a, Med. Dekanat, Akt. GZ 1488 ex 1919/20.
3. AT-UAW b, Med. Dekanat, Akt. GZ 161 ex 1911/12.
4. AT-UAW c, Med. Dekanat, Akt. GZ 1746 ex 1911/12.
5. AT-UAW d, Med. Dekanat, Akt. GZ 1930 ex 1912/13.