 "Journey Down a Blind Alley", published on her return to Paris in 1946, records the history of the unit and her disillusion with the French failure to put up an effective resistance to the German invasion and occupation.A first person account of Lady Spears and the Hadfield-Spears Ambulance Unit can be found in the memoirs of Hermione, Countess of Ranfurly, "To War with Whitaker.