Letter from Ralph Vaughan Williams to Alan Frank (OUP)

Dear Frank,
I believe you want to know what singers I have suggested to the Argo Record Company for the P.P. songs.¹
No. 1. Bryan Drake or Eric Greene
No. 2  Matters or Clinton
No. 3     "    "     "
No. 4  Nancy Evans, Margaret Ritchie, or both.
No. 5. High Key, Greene or Andriesen,
       Low key, Clinton.
No. 6  Iris Kells or Margaret Ritchie (or Nancy Evans if transposed.)
No. 7  Adele Leigh, Margaret Ritchie or Nancy Evans.
Yours sincerely,
R Vaughan Williams

1. Pilgrim's Progress.