Request for Five Crusts of Vaccine Virus

Richard Henry Pratt requests five crusts of vaccine virus for new students and for students who received the vaccine a year ago but for whom it did not work.

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."