The collection of letters and documents addressed to, or relating to, Mrs. Mary Jane Bridges-Adams (1854–1939), British socialist and educationist, in connection with the British Labour movement and with the Russian Political Prisoners and Exiles Relief Committee in London. The collection also includes letters and documents of Georgii Chicherin (1872-1936), Russian diplomat, revolutionary, and second Commissar of Foreign Affairs, concerning his activities in London and Europe.