The Kindergarten Principle. Mary J. Lyschinska. 103-20.
Law of Childhood. W. N. Hailmann. 39.
Kindergarten Culture. W. N. Hailmann. 70-72.
The Kindergarten. H. Goldammer. 154-72.
Primary Helps. W. N. Hailmann.
Industrial Art in Schools.[74] Charles G. Leland.
Drawing and Decorative Design. Charles G. Leland.
Art and the Formation of Taste. Walter Crane.
Manual of Design. Richard Redgrave, R. A.
Principles of Decorative Design. Christopher Dresser.