Charles Boswell Norman, Dictionary of National Biography… (1912)
“ Before he had completed his seventeenth year he received a direct cadetship in the East India Company's military service, and returning to India he was appointed ensign in the 27th Bengal native infantry on 4 August 1854. On the outbreak of the Mutiny of the Bengal army in May 1857 the 27th proved unfaithful, and McQueen, who had been promoted lieutenant on 3 June in that year, was attached to the 4th Punjab rifles, one of the newly raised frontier regiments, which had been ordered by Sir John Lawrence to proceed to Delhi to assist in the siege of that fortress. ”
