Milwain, John. The Geometrical Angular Stair Builder: Containing the Latest Original Improvements, with Numerous Illustrations, Showing with what Little Trouble the Most Difficult Parts of Stair Building May be Overcome. : Designed that Every Carpenter May Learn the Art of Stair Building in the Easiest Possible Manner. Rockford, Illonois: ‎Milwain & Young, ‎Weed, Parsons & Co., 1856.

Milwain, John. The Geometrical Angular Stair Builder: Containing the Latest Original Improvements, with Numerous Illustrations, Showing with what Little Trouble the Most Difficult Parts of Stair Building May be Overcome. : Designed that Every Carpenter May Learn the Art of Stair Building in the Easiest Possible Manner. Rockford, Illonois: ‎Milwain & Young, ‎Weed, Parsons & Co., 1856.