Includes a letter to Joan Crowfoot 1937, and a collection of essays, 'The world belongs to all', by Liao and Derek Bryan, with marginal markings by Hodgkin. Hongying Liao was a young Chinese Quaker who came to Somerville in 1930 to read chemistry. Hodgkin befriended and helped her. She returned to China, married a British diplomat Derek Bryan, and on his resignation from the Foreign Service, she joined him in the work of the Britain-China Friendship Association. (Ferry pp.335-340).