1. Education in its relation to the physical health of the brain: a lecture delivered before the Rhode Island Institute of Instruction, October 18, 1850 Author(s): Ray, Isaac, 1807-1881 Publication: Boston : Ticknor, Reed and Fields, 1851 Subject(s): EducationChildMental Health
2. Mental hygiene Author(s): Ray, Isaac, 1807-1881 Publication: Boston : Ticknor and Fields, 1863 Subject(s): Mental HealthHealth Behavior
