[Unknown letters from Purkinje's father-in-law K.A. Rudolphi to J.J. Berzelius].
D002621:Chemistry / Q000266:history; D003604:Czechoslovakia; D049671:History, 18th Century; D049672:History, 19th Century; D006686:Hobbies; D009717:Numismatics; D010827:Physiology / Q000266:history; D013548:Sweden; D014956:Writing
Neznámé dopisy Purkynova tchána K. A. Rudolphiho J.J. Berzeliovi.