Thiersch, Professor of Surgery at Erlangen, and inventor of the method of skin grafting which bears his name, also made an important contribution to the knowledge of the histogenesis of cancer. He disproved Virchow’s theory of the connective-tissue origin of cancer, and advanced evidence of its epithelial cell origin. Digital facsimile from the Internet Archive at this link.

Classical description of phosphorus necrosis of the jaw, or "phossy jaw". 

Thiersch’s first paper on transplantation of skin. Simultaneous publication in Arch. klin. Chir., 1874, 17, 318-24. English translation in No. 5768.2.