G.H.W. Rylands is also known as 'Dadie'.
These files comprise:-
75 autograph letters signed, 30 typed letters signed and 9 autograph postcards signed from G.H.W. Rylands to NGA. 1 Apr. 1940 - 19 Oct. 1995 and undated
25 carbon typed letters from NGA to G.H.W. Rylands. 5 Jun. 1967 - 11 Dec. 1998
1 autograph letter signed from Bertha Rylands to NGA. 14 Jun. [No year]
1 autograph letter signed from 'Art' [Arthur Marshall] to NGA. Undated
1 carbon typescript telegram. 
1 carbon typed letter from NGA to R.E. Macpherson. 16 Oct. 1975
1 carbon typed letter from NGA to Peter Newbould. 1 Nov. 1972
1 autograph letter signed from Peter Newbould to NGA. 25 Oct. 1972
1 carbon typed letter from F. Newbould to NGA. 24 Apr. 1972
1 carbon typed letter from NGA to Lord Goodman's secretary. 30 Jun. 1967
1 typed letter signed from Lord Goodman to NGA. 27 Jun. 1967
1 carbon typed letter from NGA to Lord Goodman, 9 Jun. 1967
Booklet, 'Samuel Johnson's Sermon Number Eleven', read by G.H.W. Rylands in Westminster Abbey. 15 Dec. 1984
Typescript and printed versions of 'Intimations of Mortality in Second Childhood'
3 typescript draft obituaries of G.H.W. Rylands, Feb. 1977, 1977 version revised in Jul. 1986, and [1990s]
Newspaper obituary of G.H.W. Rylands published in 'The Times'. 18 Jan. 1999
G.H.W. Rylands' typescript copy of his address at the funeral of Jack Peters. 1990
1 carbon typed letter from NGA to Chris Kelly. 4 Aug. 1988
1 typed letter signed from Chris Kelly to NGA. 16 Jul. 1988
Menu and guest list for 85th birthday lunch for G.H.W. Rylands. 3 Nov. 1987
Typescript, 'Diffugere nives: Cambridge poets' by G.H.W. Rylands. Mar.-Apr. 1987
The arrangement into three envelopes follows Noel Annan's division of these papers. Many pages appear to have been removed by Noel Annan before he transferred the files to the Archive Centre.