 He was a noted liturgical historical scholar; he was also a high churchman and a supporter of Catholic ideas.In his early writings and addresses he emphasised the importance of spiritual life, and explained some of the liturgical revision which was then in preparation.He played a major part in the proposed revision of the Church of England "Book of Common Prayer" in 1928, which was later rejected by Parliament, and was responsible for the service book for the Guild of the Servants of the Sanctuary.