"Constipation" Bigg.
HYGIENE
"Laws of Life and Health" A. Bryce.
"Health" M.M. Burgess.
INSOMNIA
"Sleep and Sleeplessness" H.A. Bruce.
"The Meaning of Dreams" I.H. Coriat.
IMAGINATION
"Psychology in Daily Life" Seashore.
"Hygiene of the Mind" T.S. Clouston.