G. T. · G T Trewartha · Glenn Thomas Trewartha · T.T.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Elements of Geography | 978-0-07-065155-5 | 1967 | etc. |
| Fundamentals of Physical Geography | 978-0-07-065181-4 | 1968 | Arthur H. Robinson |
| Introduction to Climate | 978-0-07-066614-6 | 1981 | |
| Physical Elements of Geography | 978-0-07-065156-2 | 1967 | Arthur H. Robinson |
| The More Developed Realm: A Geography of its Population | 978-0-08-020630-1 | 1978 | |