c.a.d. Inventaris van het archief van de hoofdintendant te 's-Gravenhage 1881-1941 / samengest. door P. Douglas Fifty years in the Royal Navy / by Admiral Sir Percy Scott c.a.d. Inventaris van de archieven van de Stafschool, de Krijgsschool voor officieren en de Hogere krijgsschool, 1868-1940 / samengest. door P. Douglas year ago : eye-witness's narrative of the war from March 30th to July 18th, 1915 / E.D. Swinton ; Percy key uniform guides British parachute forces, 1940-45 / Howard P. Davies short history of international affairs, 1920 to 1934 / by G.M. Gathorne-Hardy ; pref. by Eustace Percy Journal des campagnes du Baron Percy, chirurgien en chef de la Grande Armée : (1754-1825) / publié avec une introduction par Emile Longin defence of London 1915-1918 / by A. Rawlinson ; with introd. by Percy Scott Transvaal from within : a private record of public affairs / by J. P. Fitzpatrick war and the future / by Robert Borden : being a narrative compiled from speeches delivered at various periods of the war in Canada, the … The Dalai Lama holding the ashes of his first embodiment. Hitler : the man and the military leader / Percy Ernst Schramm ; transl., ed., and with an introd. by Donald S. Detwiler
