| Title | Cactus Culture for Amateurs: Being Descriptions of the Various Cactuses Grown in this Country, with Full and Practical Instructions for their Successful Cultivation. Edition 4. London |
| Abbreviation | Cactus Cult., ed. 4 |
| Authors | Will. Watson |
| Publication Dates | Ed. 4, 1920 |
| TL2 | 16.827 |