artillery ranged in calibre from 2 cm to 80 cm. German artillery at the outbreak
of war was standardised e.g. many different gun barrels were interchangeable with
their gun carriages which in itself made manufacture and maintenance far simpler.
German Artillery in World War II. 1939-1945.
German Artillery of World War Two.
German infantry weapons of World War II.
German Small Arms of World War II.
a complete list of sources