《American Bee Journal, Vol. I, No. 2, February 1861》 - 免费有声读物

The American Bee Journal is the “oldest bee paper in America established in 1861 devoted to scientific bee-culture and the production and sale of pure honey. This second issue covers such topics such as The Dzierzon Theory, Origin and Nature of Honey Dew, Chemical Analysis of the Royal Jelly, The Italian Bee, and many others. - Summary by Larry Wilson