| Type | Title | Year | Publisher |
|---|---|---|---|
| Apple II cass. | 🟩 English Grammar 1 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 10 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 2 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 3 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 4 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 5 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 6 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 7 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 8 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 English Grammar 9 | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 Gardening | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 Inventory of Goods | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 Menu | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 PILOT Interpreter | 1978 | Keyser, Earl |
| Apple II cass. | 🟩 Sell-3 Economic Simulators | 1978 | Keyser, Earl |