Browsing 4-H by Author "Jeffreys, J. Bradford"

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The Oregon 4-H helmet policy: what do I need to know?

Oregon State University. Extension Service; Jeffreys, J. Bradford; Hart, Douglas A. (Corvallis, Or. : Extension Service, Oregon State University, 1996-01)
The Oregon 4-H helmet policy: what do I need to know?

Oregon State University. Extension Service; Jeffreys, J. Bradford; Hart, Douglas A. (Corvallis, Or. : Extension Service, Oregon State University, 1996-01)
Oregon 4-H horse contest guide

Oregon State University. Extension Service; Jeffreys, J. Bradford; Watson, Shirley; Sharp, Marianne; Newman, Mary (Corvallis, Or. : Extension Service, Oregon State University, 1999-07)