- Listenly
- Public Library
- Project Gutenberg
- Medicine — Formulae, receipts, prescriptions
Medicine — Formulae, receipts, prescriptions — Audiobooks
Epitome of the Pharmacopeia of the United States and the National Formulary
by Albion Walter Hewlett, William August Puckner, Torald Hermann Sollmann, Martin I. (Martin Inventius) Wilbert
Secrets of Wise Men, Chemists and Great Physicians
by William K. (William King) David