1. Mental hygiene, or, An examination of the intellect and passions: designed to illustrate their influence on health and the duration of life Author(s): Sweetser, William, 1797-1875 Publication: New-York : Langley, 1843 Subject(s): Mental HealthEmotionsThinking
2. Remarks on the influence of mental cultivation and mental excitement upon health Author(s): Brigham, Amariah, 1798-1849 Publication: Philadelphia : Lea & Blanchard, 1845 Subject(s): Mental HealthMental Disorders -- prevention & controlChild DevelopmentExercise