The virtues of wild valerian in nervous disorders ... With directions for gathering and preserving the root; and for chusing the right kind when it is bought dry. Shewing that the uncertainty of effect in this valuable medicine, is owing to adulteration or ill management / [John Hill].

Licence: Public Domain Mark

Credit: The virtues of wild valerian in nervous disorders ... With directions for gathering and preserving the root; and for chusing the right kind when it is bought dry. Shewing that the uncertainty of effect in this valuable medicine, is owing to adulteration or ill management / [John Hill]. Source: Wellcome Collection.