Hatcher, R. A., & Sollmann, T. H. (1904). A text-book of materia medica: Including laboratory exercises in the histologic and chemic examinations of drugs for pharmaceutic and medical schools and for home study. W.B. Saunders and Company.

Hatcher, Robert A., and Torald Hermann Sollmann. A Text-book of Materia Medica: Including Laboratory Exercises in the Histologic and Chemic Examinations of Drugs for Pharmaceutic and Medical Schools and for Home Study. Philadelphia [etc]: W.B. Saunders and Company, 1904.

Hatcher, Robert A., and Torald Hermann Sollmann. A Text-book of Materia Medica: Including Laboratory Exercises in the Histologic and Chemic Examinations of Drugs for Pharmaceutic and Medical Schools and for Home Study. W.B. Saunders and Company, 1904.