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close this section of the libraryOwens, Charles D., 1921- 4n(3)
View the documentOwens, Charles D., 1921- 4n; The thermology of wintering honey bee colonies / . Washington : U.S. Dept. of Agriculture, 1971.
View the documentOwens, Charles D., 1921- 4n; Electric heating of honey bee hives / . Washington : U.S. Dept of Agriculture, 1967.
View the documentOwens, Charles D., 1921- 4n; An analysis of beekeeping production costs and returns / . Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1973.