Military Intelligence Division Great Britain Report No. 53080 - Notes on Enemy Weapons No. 38 - 7.5 cm. (2.95 in) Tank Gun (German 7.5 cm. Kw.K)
Watertown Arsenal Laboratory Experimental Report No. Wal. 641-14 - German Electrodes for Welding Armor
WDGS Military Intelligence Service - Intelligence Research Project No. 1415 - The Improved German Panther and Tiger Tanks
ETO Ordnance Technical Intelligence Report No. 156 - Collapsible Ammunition Rack from Pz.Kpfw. IV German Tank
Aberdeen Proving Ground Development and Proof Services - 1st Report TT1-617 - German Tank, PzKpfw-IV and Panther F, Comparison and Test of Power Trains
National Defense Research Committee, War Metallurgy Division, OSRD No. 4916 Serial No. M-503 - Progress Report on Examination of Enemy Materiel (OD-113) (AC-77) (N-119) - Metallurgical Examination of German Tank Track Links and Pins
National Defense Research Committee, War Metallurgy Division, OSRD No. 5133, Serial No. M-532 - Progress Report on Examination of Enemy Materiel (OD-113)(AC-77)(N-119) - Metallurgical Examination of German Tank Armor Plate
Vickers - Examination & Testing of Auxiliary Gasoline Driven Hydraulic Power Unit for German Tank Turret
(WDGS Report No. 2952-44) D.T.D. No. 3043 - Preliminary Notes on German Pz.Kpfw.IV mounting 7.5cm. KwK. 40 (L.48)