Here is a list and links to a number of books written in the late 1800’s, early 1900’s on Fireless cooking. They contain some great info on the method from recipes to how to make them and how to use some that were being sold at that time.
The Fireless Cooker ( 1908 )
Book of Caloric fireless cook stove recipes; a compilation of more than three hundred superior recipes of all kinds, meats, game, poultry, fish, cereals, vegetables … etc., especially adapted to the new Caloric fireless cookstove ([c1908])
The Fireless Cook Book : A Manual of the Construction and Use of Appliances for Cooking by Retained Heat : with 250 recipes (1913, c1909) by Margaret J. Mitchell
The Duplex cook book, containing full instructions for cooking with the Duplex fireless stove ([191-?])
The Fireless Cooker; how to make it, how to use it, what to cook; ( 1908 )
http://www.archive.org/stream/highlivingrecipe00mcla (to view book)
Simple cooking of wholesome food for the farm home (1913)
