Kopfbedeckungen / Wehrgeschichtliches Museum Rastatt Pickelhaube : Infantry and artillery : wartime, Ersatz and reserve, helmets / J.A. Bowman Troupes à cheval / [Jean-Louis Larcade] Verbreitung der Pickelhaube in den deutschen Staaten / bearb. von Ulrich Schiers Head dress of the British Heavy Cavalry : Dragoon Guards, Household and Yeomanry Cavalry 1842-1934 Pickelhauben (spiked helmets) : the glittering age, German headdress from the seventeenth to the twentieth century, 1650-1918 / Eric J. Johansson