The University of Chicago Department of Buildings and Grounds February 8, 1938 Mr. Forrest C. Allen Director of Physical Education University of Kansas Lawrence, Kansas Dear Mr. Allen: Mr. Metcalf has referred to this office your inquiry of January 51 regarding concrete tennis courts. I enclose two publications of the Portland Cement Association; "Reinforced Concrete Tennis Courts - Suggested Specifications" dated August 1936, which gives their requirements, and "Concrete Builder" dated October 9=15, 1933. t also enclose a copy of my letter to Mr. Hebert, of the Athletic Department, in which I mention requirements for concrete courts, three of which have been built here, In this design we improve on the Portlant Cement Association's requirements somewhat, If this does not give you the necessary information, I shall be glad to clear up any further points. Very truly yours, bn Chae he / Cah? Irf em Ly Flook - : eNnCe Superintendent P. S. Kindly return the "Concrete Builder" when it has served its purpose.