Correspondence mainly between John (later Sir John) Simon and his wife Jane and Joan and Arthur Severn. Comprises:
- (a) numbers 1-54 (March 1878 - April 1888), letters and some postcards from Joan Severn to the Simmons;
- (b) numbers 55-56 (April 1878), letters from Arthur Severn to John Simon;
- (c) number 57 (n.d.), letter from Arthur Severn to Jane Simon;
- (d) numbers 58-59 (April 1878, December 1902), letters from John Simon to Joan Severn;
- (e) numbers 69-65 (March 1880 - October 1894), letters from Jane Simon to Joan Severn;
- (f) number 66 (April 1878), letter from George Parsons, M.D., to John Simon;
- (g) number 67 (December 1887), letter from Robert Bowles, M.D., to John Simon.