- The Era Dose Book...
- The Era Dose Book: Compiled And Arranged Especially For Use In Prescribing And Dispensing Prescriptions: Comprising A List, With Doses, Of All ... Great Britain And Germany, Also The National
- The Era Formulary: 5000 Formulas For Druggists. A Collection Of Original And Prize Formulas, To Which Has Been Added A Selection Of Formulas From Standard Authorities In The English, French And German
- The Era Dose Book: Compiled And Arranged Especially For Use In Prescribing And Dispensing Prescriptions: Comprising A List, With Doses, Of All ... Great Britain And Germany, Also The National
- The Era Formulary: 5000 Formulas For Druggists. A Collection Of Original And Prize Formulas, To Which Has Been Added A Selection Of Formulas From Standard Authorities In The English, French And German






