Modern German pronunciation(2ndEdition) An introduction for speakers of English by ChristopherHall Paperback, 224 Pages, Published 2003 by Manchester University Press ISBN-13: 978-0-7190-6689-4, ISBN: 0-7190-6689-1
The English Path(2ndEdition) by Kim Taplin, ChristopherHall Paperback, 189 Pages, Published 1999 by Perry Green Press ISBN-13: 978-1-902481-09-8, ISBN: 1-902481-09-7