The correspondence comprises a copy of 1 letter from Joseph Needham; 3 letters from Holmes. The related documents comprise a reprint of a 'Nature' article by Rhoda Kellog, M. Knoll and J. Kugler entitled 'Form-similarity between Phosphenes of Adults and pre-School Children's Scribblings', (11 December 1965); cutting of an 'Observer' article by John Davy entitled 'Infant scribbles lurk in adult brain', describing the 'Nature' article; notes by Needham.