H. C. Allen

• A concise history of the U.S.A
• Allen's Keynotes - Rearranged and Classified
• Allens Keynotes Rearranged & Classified
• British essays in American history
• Keynotes Reordenados y Clasificados con Medicamentos Sobresalientes de la Materia Medica y Nosodes Intestinales
• Materia Medica of the Nosodes
• Symptômes clefs et caractéristiques avec comparaisons de quelques-uns des principaux remèdes et nosodes de la matière médicale
• The United States of America, a concise history
• Conflict and concord
• Great Britain and the United States
• Keynotes
• Keynotes and Characteristics with Comparisons of some of the Leading Remedies of the Materia Medica