Browsing Extension Service -- Bulletins / Extension Bulletins by Author "Harper, James A."

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The home unit poultry house

Oregon State College. Federal Cooperative Extension Service; Harper, James A.; Walker, Clyde (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1943-11)
The home unit poultry house (Reprinted 1948)

Oregon State College. Federal Cooperative Extension Service; Harper, James A.; Walker, Clyde (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1948-10)
The home unit poultry house (Revised 1945)

Oregon State College. Federal Cooperative Extension Service; Harper, James A.; Walker, Clyde (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1945-08)