| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Triune God: God The Father, God The Son, God the Holy Spirit | 978-0-910566-09-4 (0-910566-09-7) | 1970 | |
| Understanding People: Children, Youth, Adults | 978-0-910566-15-5 (0-910566-15-1) | 1989 | J. Omar Brubaker · Rober Barron · Robert E. Clark |
e.a. · E.T. · E. T. A. · E.T.T.A · Evangelical Training Association · T.A. · T.T.