[5] A few weeks before Butterworth's final exams in 1907 his family ran into financial difficulties and his father decided to move to New Zealand, where he settled in Cashmere Hills, Christchurch.

[6] Butterworth took up a position as a master at Wanganui Collegiate School in September 1907 and remained there until he left to enlist in the British Army in December 1914.

Another, Roy Joblin, said, "Butterworth's understanding of the boy must have amounted to genius" and praised "his sportsmanship, his almost permanent good temper, his brilliant wit, his ever accessible sympathy and his love of all that was straight and clean".

[11] Wanganui Collegiate said in tribute that "his life of unselfish devotion to duty will serve as a pattern for many years to those who had the good fortune to know him".

It was re-published as Blood and Iron in 2011 by Pen & Sword, with a biographical introduction by the military historian Jon Cooksey.