German 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.
ISBN-10: 0887407625
German Artillery of World War Two.
ISBN-10: 1853672610
German infantry weapons of World War II.
ISBN-10: 0882543725
German Small Arms of World War II.
ISBN-10: 0896730239
For a complete list of
sources
