24 cm Haubitze 39

The 1st Battalion of Artillery Regiment 814 was formed on 15 March 1940 with four batteries of H39s. A month later, the Third and Fourth Batteries were used to form the 2nd battalion of the regiment. The 2nd Battalion was still forming when the Battle of France began on 10 May 1940, but the 1st Battalion was assigned to Army Group B's reserve – it is uncertain if it saw any combat during the campaign.^[4] The regiment was assigned to 1st Panzer Group in Army Group South for Operation Barbarossa.^[5] It was transferred to 11th Army for the Siege of Sevastopol in late 1941—42.^[6] It accompanied that army as part of its siege train when it was transferred north to attack Leningrad in the late summer of 1942.^[7] It remained under the command of Army Group North until it re-equipped with smaller guns in July 1944. Nothing is known of any units that might have been equipped with the howitzers after July 1944. Artillery Regiment 814 is the only unit known to have been equipped with the H39 howitzer.^[8]

• Engelmann, Joachim and Scheibert, Horst. Deutsche Artillerie 1934-1945: Eine Dokumentation in Text, Skizzen und Bildern: Ausrüstung, Gliederung, Ausbildung, Führung, Einsatz. Limburg/Lahn, Germany: C. A. Starke, 1974
• Gander, Terry and Chamberlain, Peter. Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939-1945. New York: Doubleday, 1979 ISBN 0-385-15090-3
• Hogg, Ian V. German Artillery of World War Two. 2nd corrected edition. Mechanicsville, PA: Stackpole Books, 1997 ISBN 1-85367-480-X