| Description | /1. 1 x ts. letter, 11 August 1977, from Merrill Schleier of Berkeley, California, to Roland Penrose, 1p.
/2/1. 1 x ts. letter with ms. note, 5 May 1980, from Merrill Schleier of the Smithsonian Institution, Washington, D.C., to Roland Penrose, 1p.
/2/2. 1 x ts. letter, 3 June 1980, reply from Roland Penrose to Merrill Schleier of the Smithsonian Institution, Washington, D.C., 1p.
/3/1. 1 x ms. letter, 17 June 1977, from Jan Svenungsson, Uppsala, Sweden to Roland Penrose, 2p.
/3/2. 1 x ts. letter, 26 June 1977, reply from Roland Penrose to Jan Svenungsson, Uppsala, Sweden, 1p.
/4/1. 1 x ms. letter, 5 July 1977, from Jan Svenungsson, Uppsala, Sweden, to Roland Penrose, 1p.
/4/2. 1 x ts. letter, 2 August 1977, reply from Roland Penrose to Jan Svenungsson, Uppsala, Sweden, 1p.
/5. 1 x ms. letter, 6 October 1977, from Jan Svenungsson, Uppsala, Sweden, to Roland Penrose, 3p.
/6. 1 x ms. letter, 18 January 1978, from Jan Svenungsson, Uppsala, Sweden, to Roland Penrose, 2p.
/7. 1 x ms. letter, 23 April 1980, from Jan Svenungsson, Uppsala, Sweden, to Roland Penrose, 1p.
/8. 1 x ms. letter, 28 February 1982, from Jan Svenungsson, Uppsala, Sweden, to Roland Penrose, 1p. |