| title | ISBN-13 | year of publication |
|---|---|---|
| Advanced Composition | 978-0-07-025013-0 | 1980 |
| Basic Composition One | 978-0-07-025011-6 | 1980 |
| Today | 978-0-07-025366-7 | 1976 |
| Today a Text Workbook for Language and Composition | 978-0-07-025042-0 | 1980 |
H.G. · H. P. · Hans P. Guth · Hans P. Guth & Edgar H. Schuster · Hans P. Guth,Hans Guth Dolores LaGuardia · Hans Paul Guth · P.G.