律藏
In 1936, due to Butler's accepting a position at Manchester University, Horner left Newnham to live in Manchester. There, Horner completed the fourth volume of the "Papancasudani" (published 1937). In 1938, she published the first volume of a translation of the Vinaya Pitaka. (She was to publish a translation of the last Vinaya Pitaka volume in 1966.)