| Entry | Volume | Pages |
|---|---|---|
| Onlooker": Interesting Plants at the Shows: 1965 | 33 | 195 |
| Onlooker": Interesting Plants at the Shows: 1966 | 34 | 331 |
| Onlooker": Interesting Plants at the Shows: 1967 | 35 | 348 |
| Onlooker": Interesting Plants at the Shows: 1968 | 36 | 330 |
| Onlooker": Interesting Plants at the Shows: 1969 | 37 | 320 |
| Onlooker": Interesting Plants at the Shows: 1970 | 38 | 347 |