SPECIAL ACKNOWLEDGMENTS FOR ILLUSTRATIONS
Reading edition
Figs. 1, 4, 23, 24, P. L. M. Railways of France. Figs. 15, 16, 17, 19, 20, Swiss Federal Railroads. Figs. 36, 37, American Scandinavian Review. Figs. 40, 42, 46, Travel. Figs. 45, 56, 58, Messrs. Sébah & Joaillier, Constantinople. Figs. 52, 59, 60, 61, 62, 63, 64, 65, 66, Photos by Dr. E. Banks.