官方藏书 / Science_-_Biology / The Italian Alp-bee; or, The gold mine of husbandry / short and practical instructions to breed genuine prolific Italian queens; to multiply them by hundreds in a few months and how to change German hives into Italian

The Italian Alp-bee; or, The gold mine of husbandry / short and practical instructions to breed genuine prolific Italian queens; to multiply them by hundreds in a few months and how to change German hives into Italian

H. C. Hermann · Science_-_Biology · 5 章

The Italian Alp-bee; or, The gold mine of husbandry / short and practical instructions to breed genuine prolific Italian queens; to multiply them by hundreds in a few months and how to change German hives into Italian

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