Mather, Wm. - May

Mather, Wm. G., 1902

Mattesa[?], J.R., 1915

Matthews Bro's Manufacturing Co. (Milwaukee, Wis.), 1898, 1902

Matthews, John C., 1905

Matthews, Nathan, 1909-1914

Matthews, William H., 1908-1910

Maude, F.C., 1907

Mauk, Chas. C., 1897

Maurer, G.C., 1913

Mauro, Philip, 1900

Maury, C.A., 1905

Max Schamberg and Co. (Pittsburgh, Pa.), 1899

Maxon, W.D., 1897-1898

Maxwell, David B., 1917

May, A.S., 1910

May, De Courcy, 1903-1908