Letters of support to Philadelphia Rapid Transit Company President Charles O. Kruger during the Philadelphia Transit Strike of 1910.
(1) is letter from John S. Stevens, President of the National Association of Builders, dated March 8, 1910; (2) is letter from J.D. Russell, Vice President of Russell & Erwin Manufacturing Company, dated March 10, 1910; (3) is letter from C.M. Mead dated March 20, 1910.