1. El Rhamnus humboldtianus apuntes para su historia natural médica: tésis para el exámen general de medicina, cirugía y obstetricia Author(s): Godoy Álvarez, Manuel, author Publication: México : Oficina Tip. de la Secretaria de Fomento, 1890 Subject(s): RhamnusPhytotherapy
2. The great California wonderland and its products: nature's own remedy Publication: New York : United State Medicine Co., [between 1890 and 1899] Subject(s): Constipation -- drug therapyPhytotherapyRhamnusCalifornia