This series is predominantly composed of miscellaneous correspondence and ephemera. It includes items collected during his work in Washington, D.C., brochures and information about family travel in the 1960s, materials relating to the Concorde airplane run by British Airways, a copy of Yudain's will, some paperwork and correspondence surrounding World War II, and correspondence from Clare Boothe Luce. Of particular interest here might be the Clare Boothe Luce correspondence and the paperwork surrounding his time in the Air Force during World War II.