Charles D. Owens

Selecting and operating commer

Selecting and operating commercial beekeeping equipment

1979

Selecting and operating beekeeping equipment

1977

An analysis of beekeeping production costs and returns

1973

The thermology of wintering ho

The thermology of wintering honey bee colonies

1971

Shade and water for the honey bee colony / [by Charles D. Owens and S.E. McGregor]

1970

Electric heating of honey bee

Electric heating of honey bee hives

1967

Shade and water for the honey bee colony

1965

A scale for weighing beehives

1962

Automatic controls for honey extractors

1958