Hiram Percy Maxim and Clarence D. Tuska, The List of Stations Book and the Official League License… (1915)
“ The book also contains a lot of extremely interesting letters from amateurs who are operating and covering long distances. The book is sent to any one whether a member of the League or not, upon receipt of fifty cents in stamps or otherwise, which just covers the cost of printing and distributing. Every one reading these lines is not doing his share unless he gets this book. ”
