German tanks and armored cars from 1933 to 1945, instruments of the so called blitzkrieg which had a profound influence on wartime tank design.
Tanks in the German Army, Military Wiki
The use of captured German tanks and self-propelled guns in the initial period of the Great Patriotic War
German Half-Tracks and Wheeled Vehicles: 1939-1945: Ludeke, Alexander: 9781473824003: Books
Landkreuzer P 1000 Ratte, schwerer Gustav, m103, panzer Viii Maus, superheavy Tank, panzerkampfwagen E100, panther Tank, Tiger I, heavy Tank, Churchill tank, schwerer gustav blueprint
German Tank Museum
German Reich - Tank Encyclopedia
Assault gun - Wikipedia
German armored fighting vehicle production during World War II - Wikipedia
Landkreuzer P 1000 Ratte, schwerer Gustav, m103, panzer Viii Maus, superheavy Tank, panzerkampfwagen E100, panther Tank, Tiger I, heavy Tank, Churchill tank, schwerer gustav blueprint
WW2 German SPGs Archives - Tank Encyclopedia
15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B - Wikipedia