May 21, 1968, TLS from Robert Vas Dias to Ron, 1p

May 5, [1969], ALS from Robert [Vas Dias] to Ron, 1pc [on Spring, 1969 TL (form letter) from Robert Vas Dias, ph, 1p]

October 5, 1970, TLS from Robert [Vas Dias] to Ron, 1p

February 7, 1970, TLS from Robert [Vas Dias] to Ron, 1p

December 30, 1969, TLS from Robert [Vas Dias] to Ron, 1p

August 2, 1969, TLS from Robert [Vas Dias] to Ron,1p

November 18, 1968, TLS from Robert [Vas Dias] to Ron, 2p

November 18, 1968, TL from Robert Vas Dias to Carolyn Kizer,1p

May 21, 1968, TLS from Robert [Vas Dias] to Ron, 1p

June 5 [1968], APcS from Robert [Vas Dias] to Ron, 1pc

August 19, ALS from Robert [Vas Dias] to Ron, 2p, qpc