G.193 - G.268 presents, in alphabetical order, correspondence with editors, publishing houses and scientific colleagues. The material includes requests to write articles or books, to comment on works submitted for publication by others, to serve on editorial or advisory boards, etc.

There is a little scientific correspondence. The material is dated and an indication given of any information of special biographical or scientific interest.

G,260-G.263 presents, in chronological order, requests to give lectures or talks.

G.264-G.268 presents, in chronological order, correspondence regarding broadcasts for which no script survives.