Merck & Co.
Merck's 1899 Manual of the Materia Medica
Merck & Co. · 2012
Public domain, Project Gutenberg. No sign-up.
Materia medica -- Handbooks, manuals, etc.Therapeutics -- Handbooks, manuals, etc.Pharmacology -- Handbooks, manuals, etc.Drugs -- Handbooks, manuals, etc.