Among the correspondents in this folder are: Arthur W. Lehman (4 letters); Raymond McCollister; Paul E. Bierley (concerning Henry Fillmore/Will Huff); Stephen Glover (concerning the reprinting of Pioneers in Brass and proposing that the Brass Press distribute it, but that Bridges would bear the costs of printing); Luther Didrickson of Northwestern University School of Music (2 letters concerning a gold-plated Horton cornet that apparently was custom built for J. L. Huber in August of 1914 and perhaps given to H.L. Clarke); David Dove; Charles Colin (concerning a review of Pioneers in Brass); Norman E. Hinkel (concerning his health, the difficulties of self-publishing, the weather and early brass players); a Get Well card from Charles Colin; Dale Hoyt of Musical Americana Talking Machine Co. (concerning an offer by Bridges to sell his cylinders to them with a second letter that contained their check for 225 dollars for the cylinders and offering to buy his discs for 50 cents apiece); Allen Ostrander (concerning his career and recent retirement); Nathan U. Byers (2 letters concerning ordering some tapes and his views on music and musicians); Edward H. Tarr (several); Ervin H. Kiffman, former private secretary for VanderCook, (concerning some missing lessons in the VanderCook Composition Course, also telling how an accident causing tooth and lip damage ended his playing career but at 84, he is still teaching violin); and Paul E. Bierley (concerning a radio program called "Bond Bakers" perhaps in 1929).