Reminiscences of Froebel. Von Marenholtz-Bülow. Page 152.
Child and Child Nature. Von Marenholtz-Bülow. 145, 146.
Education. E. Seguin. 95, 96.
Lessons in Form. W. W. Speer. 23.
Pedagogics of the Kindergarten. Fr. Froebel. 108-44.
Education of Man. Fr. Froebel. Tr. by Josephine Jarvis. 40, 41.
Kindergarten at Home. E. Shirreff. 12-14.
Kindergarten Culture. W. N. Hailmann. 55-66.
Paradise of Childhood. Edward Wiebe. 11-16.
Law of Childhood. W. N. Hailmann. 35-38.