Keywords: Kalakaua and the pickelhaube.jpg en King Kalakaua and the pickelhaube the spiked helmet that was a symbol of the Prussian army http //hdl handle net/10524/539 Hawaiian Journal of History page 111 of volume 25 1991 article King Kalakaua An International Perspective by Niklaus R Schweizer credited to AH photo collection not given PD-old-100 Kalākaua Pickelhaube |