Ayer's cathartic pills : a safe, pleasant and reliable family medicine / Dr. J.C. Ayer & Co.
- Dr. J.C. Ayer & Co.
- Date:
- [between 1880 and 1889?]
Licence: Public Domain Mark
Credit: Ayer's cathartic pills : a safe, pleasant and reliable family medicine / Dr. J.C. Ayer & Co. Source: Wellcome Collection.