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Gale, Dr F C. 1972. Observation beehives. Amer Bee Journal. 112(1): 8-9.
Taber, Steve. 1980. Bee behavior. Amer Bee Journal. January 1980, pp 14-15.
Gary, N E. 1968. A glass-walled observation hive. Amer Bee Journal 108(3):92-94, 108(4):143-144, 146.
Connor, L J. 1974. Observation bee hives. Beekeeping Information Number 10. Entomology Extension, Ohio State University, Columbus, OH 43210. 4 pp.
Bosch, K. 1980. The observation hive and scale colony - two important tools. Amer Bee Journal 120(10):712-715, 721.
Pedigo, Bobby. 1985. This is what we call a real observation hive. Amer Bee Journal. Nov 1985, pp 737-738 (letter to editor with photograph).
Lindauer, M. 1961. Communication among social bees. Harvard Univ Press, Cambridge, MA., p 17.
Gojermac, Walter L. Building and operating an observation hive. Univ of Wisc- Extension bulletin A2491. 6pp.
Witherell, Peter C. 1970. Behavior of honeybees in glass-covered runways. Gleanings in Bee Culture. November 1970, pp 564-668.
Blanchet, Felix. 1979. Honey producing observation hive. Amer Bee Journal. February 1979. pp 114-115,137.
Lehnert, T and Cantwell, George E. 1966. The Beltsville research apiarium. Amer Bee Journal 106(9):336-337.
Anonymous. 1949. Single-frame observation hive. Co-operative Extension work in Agric and Home Economics, North Carolina State College and U S Dept of Agriculture Cooperating. 1pp.
Caron, D M. 1979. Observation bee colonies. Entomology Leaflet 103, Dept Entomology, Univ Maryland, College Park, MD 20742. 14pp.
Gary, N E and Lorenzen, K. 1976. How to construct and maintain an observation hive. Dev Agr Sci, Univ California Leaflet 2853. 18pp.
Jaycox, E R. 1973. Making and using an observation bee hive. Dept Hort, Univ Illinois Publ H-678, Urbana, IL 61801. 4pp.
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