2 ALS and 2 TLS regarding possible German edition of Mrs Turing's biography, and proposed publication of 'Collected Works'. 24 June 1971 - 2 June 1972.
Paper, 5 sh. in envelope.
Keywords: Turing, Sara; Turing, Sara: biography of son
Provenance: received from the estate of Mrs Sara Turing after her death in 1977
Copyright: Permission given by Sir John (Dermot) Turing