E.T. · H. E. · H.T. · Harold E.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Aeroplanes | 978-0-435-04874-7 | 1960 | N. Stillman |
| Animals | 978-0-435-04875-4 | 1960 | " |
| Changing Earth | 978-0-07-062912-7 | 1976 | et al |
| Day and Night | 978-0-07-062906-6 | 1976 | " |
| Earth and Space | 978-0-435-04881-5 | 1960 | N. Stillman |
| Electricity | 978-0-435-04873-0 | 1960 | " |
| Experiences in Science | 978-0-07-062748-2 | 1967 | et al |
| Experiences in Science | 978-0-07-062756-7 | 1967 | Harold S. Tannenbaum · et al |
| Experiences in Science | 978-0-07-062758-1 | 1967 | et al |
| Experiences in Science | 978-0-07-062769-7 | 1967 | " |
| Experiences in Science | 978-0-07-062746-8 | 1966 | " |
| Fire | 978-0-435-04878-5 | 1960 | N. Stillman |
| Lightning and Thunder | 978-0-435-04879-2 | 1960 | " |
| Magnetic Properties | 978-0-07-062894-6 | 1976 | et al |
| Measuring Time | 978-0-07-062897-7 | 1976 | " |
| Polluted Ecosystems | 978-0-07-062909-7 | 1976 | " |
| Sets | 978-0-07-062882-3 | 1976 | " |
| Sounds | 978-0-435-04877-8 | 1960 | N. Stillman |
| Television | 978-0-435-04872-3 | 1960 | " |
| Very Tiny Living Things | 978-0-435-04882-2 | 1960 | " |
| Wind, Clouds, and Rain | 978-0-07-062900-4 | 1976 | et al |