| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1973 | 978-0-87892-010-5 | Theodore L Harris | Tag (Keys to independence in reading) |
| '' | 978-0-87892-011-2 | '' | In and out (Keys to independence in reading) |
| '' | 978-0-87892-012-9 | '' | All around (Keys to independence in reading) |
| 1975 | 978-0-87892-438-7 | Theodore L. Harris · Mildred Creekmore · Louise Matteoni | Air Pudding and Wind Sauce (Keys to Reading) |
| '' | 978-0-87892-439-4 | Theodore L. Harris et. al. | Air Pudding and Wind Sauce (Teacher's Manual) (Keys to Reading) |