Phyllis York

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
Toughlove	978-0-553-26783-9 (0-553-26783-3)	1985	David York · Ted Wachtel
Toughlove Solutions	978-0-553-27439-4 (0-553-27439-2)	1985	Ted Wachtel