Complex sentence: He favoured librarians that had a formal educational background in librarianship and in 1909 recruited Winnifred Barnstead, a Canadian graduate of a two year training course for librarians at Princeton University, to head the cataloguing department.
Split into simpler sentences: He favoured librarians that had a formal educational background in librarianship. In 1909, Locke recruited Winnifred Barnstead, a Canadian graduate of a two year training course for librarians at Princeton University, to head the cataloguing department.