Thoroughbred Bloodlines, Supplement Number One 1936 John F. Wall, hardcover maroon cloth, head and tail of spine slightly rubbed, corners slightly rubbed, else fine. 99 pgs, b/w photos. Scarce supplement to the 1935 edition of Thoroughbred Bloodlines, updating bloodlines through June 1936 with commentaries on racing in 1935 and 1936, as well as corrections and additions to the volumes of 1935.