M1 mortar (English Wikipedia)

Huon, Jean (March 1992). "L'armement français en A.F.N." Gazette des Armes (in French). No. 220. pp. 12–16.
Rossi, Michel (November 1992). "Le bataillon de Corée (1950/1953)". La Gazette des Armes (in French). No. 227. pp. 10–15.

archive.org

"81mm M1 mortar". Jane's Infantry Weapons 1994-1995. 1994. pp. 5684–5685.
Gander, Terry J. (22 November 2000). "National inventories, Colombia". Jane's Infantry Weapons 2001-2002. p. 1601.
Gander, Terry J. (22 November 2000). "National inventories, Dominican Republic". Jane's Infantry Weapons 2001-2002. p. 1509.
Gander, Terry J. (22 November 2000). "National inventories, Greece". Jane's Infantry Weapons 2001-2002. p. 2344.
Gander, Terry J. (22 November 2000). "National inventories, Guatemala". Jane's Infantry Weapons 2001-2002. p. 2359.
Gander, Terry J. (22 November 2000). "National inventories, Haiti". Jane's Infantry Weapons 2001-2002. p. 2363.
Gander, Terry J. (22 November 2000). "National inventories, Honduras". Jane's Infantry Weapons 2001-2002. p. 2364.
Gander, Terry J. (22 November 2000). "National inventories, Laos". Jane's Infantry Weapons 2001-2002. p. 3086.
Gander, Terry J. (22 November 2000). "National inventories, Libya". Jane's Infantry Weapons 2001-2002. p. 3090.
Gander, Terry J. (22 November 2000). "National inventories, Mexico". Jane's Infantry Weapons 2001-2002. p. 3105.
Gander, Terry J. (22 November 2000). "National inventories, Myanmar (Burma)". Jane's Infantry Weapons 2001-2002. p. 3112.
Gander, Terry J. (22 November 2000). "National inventories, Uruguay". Jane's Infantry Weapons 2001-2002. p. 5797.
Rottman, Gordon L. (2010). Army of the Republic of Vietnam 1955–75. Men at Arms 458. Osprey Publishing. p. 9. ISBN 9781849081818.

"Myanmar". Archived from the original on 29 November 2014. Retrieved 29 November 2014.

Bak, Dongchan (March 2021). Korean War : Weapons of the United Nations (PDF) (in Korean). Republic of Korea: Ministry of Defense Institute for Military History. pp. 85–87. ISBN 979-11-5598-079-8. Archived from the original (PDF) on 2022-09-20. Retrieved 2022-07-07.

"Mortar, 81mm M1 81mm Medium Infantry Mortar (1935)". Military Factory. MilitaryFactory.com. Retrieved 6 June 2021.

"Myanmar". Archived from the original on 29 November 2014. Retrieved 29 November 2014.
Bak, Dongchan (March 2021). Korean War : Weapons of the United Nations (PDF) (in Korean). Republic of Korea: Ministry of Defense Institute for Military History. pp. 85–87. ISBN 979-11-5598-079-8. Archived from the original (PDF) on 2022-09-20. Retrieved 2022-07-07.

"Rearming Austria: WWII weapons". wwiiafterwwii.wordpress.com. 14 June 2015.
"Uphold Democracy 1994: WWII weapons encountered". wwiiafterwwii.wordpress.com. 9 June 2015.