This series is contained in folders 3-13 in box 1. Folders 3-10 consist of correspondence between Miller and Abel and others, dating from November 7, 1951 to August 22, 1997. Folders 11-13 consist of invitations to events Miller and Abel were invited to and/or performed either together or separately, dating from September 30, 1979 to January 15, 1998. This series is organized in chronological order.