This folder contains research-related material as well as some pre-orders for his book, Pioneers in Brass. There is some correspondence related to birth and death certificates of people to be included in the book. The actual certificates are in the folder titled "Death Certificates". Among the correspondents are: James Varney (concerning R.B. Hall and a memorial to him dedicated in 1936); Paul W. Giles; Jim Walsh, Harold B. Bachman, Mrs. L. H. "Mary C." Smith (concerning Walter Rogers), Paul E. Bierley, and Garry W. Pechin.