2nd Regiment of Infantry, Punjab Frontier Force

also known as 56th Punjab Rifles

Chronology

1849 raised as 2nd Regiment of Punjab Infantry
1851 retitled as the 2nd Regiment of Infantry, Punjab Irregular Force
1865 became 2nd Regiment of Infantry, Punjab Frontier Force
1901 became 2nd Punjab Infantry, Punjab Frontier Force
1903 became 56th Infantry, Punjab Frontier Force
1906 became 56th Punjab Rifles, Frontier Force
1922 became 2nd Battalion 13th Frontier Force Rifles
1947 allocated to Pakistan on partition
1957 The Frontier Force Rifles, The Pathan Regiment and the Frontier Force Regiment were amalgamated to form the new Frontier Force Regiment

History of the 2nd Battalion, 13th Frontier Force Rifles, 1849-1931, published 1933. Available at the British Library UIN: BLL01013831726 .
The Frontier Force Rifles by Brigadier W E H Condon 1953. Available at the British Library UIN: BLL01001795360 . Also available in a reprint edition, with a slightly different title.^[1]
A Summarised History of the 13th Frontier Force Rifles, Indian Army, during the Second World War, 1939-1946 by [A.D. FitzGerald]. 1985. Available at the British Library UIN: BLL01011838679 .

56th Punjabi Rifles Wikipedia. Retrieved 3 August 2014
56th Punjab Rifles britishempire.co.uk
13th Frontier Force Rifles Wikipedia
Frontier Force Regiment Wikipedia
Frontier Force Regiment defence.pk
Photograph of Lt Napier Gordon - 2nd Punjab Infantry from Hussards-photos.com
"Military Operations in Aden 1914-1915" by Harry Fecitt, from Harry’s Sideshows kaiserscross.com. Includes mention of the 56th Punjabi Rifles (Frontier Force).

History Of The Second Punjab Infantry 1849-1888, published Calcutta 1889. Pdf download, Digital Library of India. Archive.org mirror version.
My service in the Indian Army – and after by General Sir John Luther Vaughan 1904 Archive.org. In 1850 he was appointed to the 2nd Punjab Infantry, Punjab Frontier Force

↑ The Frontier Force Rifles 1849 – 1946 by Brigadier W E H Condon. Naval & Military Press reprint edition.