| Entry | Volume | Pages |
|---|---|---|
| Primulas | 35 | 128 |
| Primulas | 40 | 28 |
| Primulas | 67 | 351-356 |
| Primulas Asiatic | 34 | 266, 360 |
| Primulas British | 61 | 91-7 |
| Primulas Classification of | 32 | 290 |
| Primulas Classification of | 35 | 145 |
| Primulas Cultivation | 60 | 104-113 |
| Primulas Cultivation | 63 | 340-344* |
| Primulas cytology of | 35 | 149 |
| Primulas Distribution of | 35 | 155 |
| Primulas Hybridisation | 33 | 286 |
| Primulas Hybridisation | 35 | 151 |
| Primulas Hybridisation | 38 | 222 |
| Primulas Hybridisation general | 60 | 440 |
| Primulas Hybridisation petiolaid, propagation of | 64 | 390-394* |
| Primulas Hybridisation pins and thrums (Heterostyly) | 64 | 388, 389D |
| Primulas Japanese | 36 | 43 |