- 1 D. A. Lyon; O. C. Ralston; F. B. Laney; R. S. Lewis
Bibliography of recent literature on flotation of ores, January to June, 1916
Washington, D.C.: Gov. Print. Off. 1917; 20 S. - 2 Oliver C. Ralston; D. A. Lyon; F. B. Laney; R. S. Lewis
Bibliography of recent literature on flotation of ores, Juli to December, 1916
Washington, D.C.: Gov. Print. Off. 1917; 27 S.