Home › Authors › Henry R. Frost 👤 Henry R. Frost b. 1790 – d. 1866 · 2 books Books by Henry R. Frost Extracts from Dr. Barratt's No Extracts from Dr. Barratt's Notes on the indigenous plants of Abbeville District, S.C. 1850 Elements of the materia medica Elements of the materia medica and therapeutics 1843