| Title | Guide to the Orchids of Sikkim, A |
| Abbreviation | Guide Orchids Sikkim |
| Authors | P. J. Bruhl |
| Publication Dates | 1926 |
| TL2 | 846 |
| Remarks | Number 846 used twice in TL2 -- see vol. 1: 380. 1976 |
| Title | Guide to the Orchids of Sikkim, A |
| Abbreviation | Guide Orchids Sikkim |
| Authors | P. J. Bruhl |
| Publication Dates | 1926 |
| TL2 | 846 |
| Remarks | Number 846 used twice in TL2 -- see vol. 1: 380. 1976 |