License, verbatimUS-PD
The New York Public Library states no known U.S. copyright for this item. Pinax admits it as US-PD only because the work predates 1900, making public domain near-certain worldwide; status outside the U.S. is not asserted and reuse elsewhere is the user's responsibility. Credit: From The New York Public Library.
Plate 13. [John Schmidt (…) 28. Amputation at hip joint. Sept. 1866. By Dr. Hamilton. / from nature by R. Köhler.]. 1866 (from title). The New York Public Library.