Your attention is respectfully directed to the following reproductions of letters received at our general offices in St. Louis. Each casts additional light on the convex backboard question. Because of the re- stricted distribution of this brochure, we feel justified in reproduc- ing these communications in this manner for whatever value they may have in supplying further data to the Rules Committee. We also enclose a very few of the many newspaper articles and other publicity that has come to our attention. We believe it opportune to express our appreciation for the co-operation of Mr. A. A. Schabinger of the Basketball Educational Bureau, whose regular work brought him to many of the coaching schools and conferences where we supplied a convex demonstration board, and where Mr. Schabinger very kindly assisted in acquainting those present with this new thought in backboard equipment. It is not our wish to inject our opinion of the convex board in this report. Results speak for themselves. However, we know, as a result of our many years experience in the manufacture and installation of back- stop equipment of all types, that the backboard is a small part of the total cost of the average suspended backstop installation. Consequently, if the proved advantages of the convex board justify your adopting it, no serious expense problem in effecting the change-over will result. March 29, 1940