7 books
Plants and Beekeeping - Scholar's Choice Edition
Plants and Beekeeping - Primary Source Edition
Plants and Beekeeping - An Account of Those Plants, Wild and Cultivated, of Value to the Hive Bee, and for Honey Production in the British Isles
Plants for Bees
Vegetable Gums and Resins
Plants and Beekeeping
A Dictionary of Useful and Everyday Plants and their Common Names