John P. McGovern, MD Collection of Texas Historical Medical Documents
Receipt for Medicine Purchased from Dr. John J. Clow, c. 1840
This receipt was for the purchase of various medicine, including magnesium, iron, castor oil, and calomel, all of which were common therapeutic drugs utilized by physicians to treat patients in the 19th century.
MS 021 John P. McGovern, MD Collection of Texas Historical Medical Documents, box 1, folder 24, McGovern Historical Center