title: Additions to the Babbage bibliography.
authors.affiliation: Student Administration, Marjorie and Arnold Ziff Building, University of Leeds, Leeds LS2 9JT, UK.
authors.forename: Tessa
authors.initials: T
authors.lastname: Mobbs
authors.affiliation: University of Leeds, Leeds LS2 9JT , UK.
authors.forename: Robert William
authors.initials: RW
authors.lastname: Unwin