To: Clemens, Olivia L. (Livy) | Clemens, Samuel L.
Source: University of California, Mark Twain Papers, The Bancroft Library, Berkeley([CU-MARK])
Cue: "Read "The remedies of Nature," (for colds, &c.) in the Popular Science Monthly for March, p. 628"; "Ma and Orion find room for further experiments."
