Evidently Alex got the Royal Heave Ho in April of 2013. Well deserved and long in coming. Thanks, Your Majesty!
- Brooke, Christopher (1985). A History of Gonville and Caius College. Boydell & Brewer Ltd. p. 127. ISBN 9780851154237.
- Debrett's Peerage, 1968, Montagu of Beaulieu (original form of), p.788
- Alexander Montagu does not appear on the Roll of the Peerage, April 2013. A Royal Warrant issued in 2004 states that any person not entered on the Roll shall not be entitled to the precedence of a peer or addressed or referred to as a peer in any official document.