Repplogel, G. (1830). A book comprising a new system for the preservation of bees: Discovered through a series of practical experience. Greensburgh, Pa.: Printed for the author.

Repplogel, George. A Book Comprising a New System for the Preservation of Bees: Discovered Through a Series of Practical Experience. Greensburgh, Pa.: Printed for the author, 1830.

Repplogel, George. A Book Comprising a New System for the Preservation of Bees: Discovered Through a Series of Practical Experience. Greensburgh, Pa.: Printed for the author, 1830.