British bee-keeper's guide book to the management of bees in movable-comb hives, and the use of the extractor / by T.W. Cowan.
- Cowan, T. W. (Thomas William), 1840-1926.
- Date:
- [1901]
Licence: In copyright
Credit: British bee-keeper's guide book to the management of bees in movable-comb hives, and the use of the extractor / by T.W. Cowan. Source: Wellcome Collection.
63/216 (page 49)