Includes: letters between HL and Rachel Steinberg's family on HL's engagement to Rachel; their marriage certificate; HL's alien registration certificate and University of London card.

Also includes papers from Sir Elihu Lauterpacht's source material for his biography of HL, including: copies of the engagement letters; notes of an interview with1st Lord McNair on his first meeting with HL in 1923 and their later friendship, particularly their work on the Annual Digest; notes of an interview with Leon Radzinowicz on his view of HL; letters of sympathy to Rachel, Lady Lauterpacht, on HL's death, recalling first meetings with him in 1923, from individuals including Sir Orby Mootham, George Keeton, Vera Anstey and Samuel Segal; letter to Rachel, Lady Lauterpacht from Lord McNair on the death of his wife Marjorie.