MacDonald, Charles B. (1973). US Army in WW II: The Last Offensive(PDF) (CMH Pub 7-9-1 ed.). Washington D.C.: Center for Military History, Government Printing Office. pp. 208–235, 210ff. Archived from the original(PDF) on 24 September 2015. Retrieved 19 November 2014.
The General Board, United States Forces, European Theater (1946). "Chapter 7: CDL Tanks". Study No. 52 Armored Special Equipment. Retrieved 27 May 2016 – via LoneSentry.com.{{cite book}}: CS1 maint: multiple names: authors list (link)
MacDonald, Charles B. (1973). US Army in WW II: The Last Offensive(PDF) (CMH Pub 7-9-1 ed.). Washington D.C.: Center for Military History, Government Printing Office. pp. 208–235, 210ff. Archived from the original(PDF) on 24 September 2015. Retrieved 19 November 2014.