Sub-Series (box 17, folder 6-box 20, folder 13) contains American first day covers. All of the stamps collected in this series contain musically related subject material on their faces. These stamps are organized categorically by subject and arranged chronologically by stamp issue date. Subjects include: W.C. Handy-1969, Scott Joplin-1983, Duke Ellington-1986, Dinah Washington-1993, Blues Singers-1994, Jazz Musicians-1995, Big Band Leaders-1996, Louis Armstrong-1995, Ella Fitzgerald, 2007, Jazz Forever-2001, The 1920s-1998, and The 1940s-1999. Box 20, folder 13 contains all remaining American first day covers.