The Era formulary. 5000 formulas for druggists.

Licence: Public Domain Mark

Credit: The Era formulary. 5000 formulas for druggists. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.