The American Materia Medica, Therapeutics and Pharmacognosy, 1919, was written by Finley Ellingwood, M.D. Chapter I. Nauseating expectorants and respiratory sedatives. Chapter II. Agents acting upon the mucous and serous structure of the respiratory tract. Chapter III. Agents acting upon the mucous structure of the respiratory tract. Chapter IV. Agents acting as respiratory sedatives and mild tonics. Chapter V. Respiratory sedatives and tonics. Book Navigation ‹ A Summary and Comparison of the Action of Heart Remedies. up Chapter I. Nauseating expectorants and respiratory sedatives. ›