Booklet: Our County Regiment. 
History of the 57th and 77th Regiments of Foot and the Duke of Cambridge’s Own (Middlesex Regiment) between 1755 and 1915, Aug 1915.
Compiled by Col Sir Reginald Hennell CVO DSO, former commander of 3rd Middlesex Rifle Volunteers.
Owned and annotated by Pte Augustus Warwick DCM, 1st Bn Duke of Cambridge’s Own (Middlesex Regiment), with crosses by each of 1st Battalion’s World War One engagements and the date of his own DCM action (29-30 October 1914) written on the back.