Vol. II (ff. 150). 1846-1850. Marianne Layard, née Austen; mother of Sir A H Layard: Correspondence with her son, Sir A. H. Layard of Marianne Layard: 1837-1867, n.d.
Vol. III (ff. 112). 1851-1867, n.d. Marianne Layard, née Austen; mother of Sir A H Layard: Correspondence with her son, Sir A. H. Layard of Marianne Layard: 1837-1867, n.d.