Sd.Kfz.6 Mittlerer Zugkraftwagen 5t
Alan Ranger
German Horse Power of the Wehrmacht in WW2
Dunkirk 1940, Through a German Lens
SD.KFZ. 10/4 & 10/5 Selbstfahrlafette, Paperback/Alan Ranger
3.7CM FLAK 18 36 37