December 15, 1879
Richard Henry Pratt informs Commissioner of Indian Affairs E. A. Hayt that the five crusts of vaccine virus previously sent are insufficient with many not taking and requests five additional crusts.
Note: This item was copied from U.S. National Archives microfilm reels (M234), which were filmed from the original documents found in Record Group 75, Entry 79, "Letters Received by the Office of Indian Affairs, 1824-80."
National Archives and Records Administration
RG 75, M234, roll 482, frames 984-985