A Manual of Beekeeping - John Hunter, 1879
http://books.google.com/books?id=kEoDAA ... RtUp3Z_sN0
Langstroth on the Hive and the Honeybee, 1905
http://books.google.com/books?id=y2g1Kp ... ve#PPR1,M1
A Practical Treatise on the Hive and the Honeybee, 1863
http://books.google.com/books?id=7l92U- ... ve#PPR1,M1