During the Second World War, she worked at the Ministry of Information as Senior Press Censor for books and periodicals.
Hodgson died in 1952, whereupon she began work at the House of Commons Library; later the same year, she joined Somerville College as Librarian.
Two years later, she married Weldon Dalrymple-Champneys, who had been associated with Oriel College, becoming Lady Norma.
She was honoured as the Vice-President of the Grenadier Guards Association, Oxfordshire Branch, which had been her husband's regiment in the First World War.
With her access to private libraries, she was able to start her own research endeavours when she found the notebook of Thomas Bennet, a 17th-century bookseller in London, at the Sion House, publishing a co-edited work in 1956.