The pear collection at the Oregon Agricultural Experiment
Station consists of 272 named varieties, types, and species which are
largely the survivors of trials carried on over a 43 year period. The
collection was orig ...
Oregon State College. Agricultural Experiment Station; Waldo, George F. (George Fordyce), b. 1898; Hartman, Henry, 1889-(Corvallis, Or. : Agricultural Experiment Station. Oregon State College., 1946-12)
Oregon State Agricultural College. Agricultural Experiment Station; Hartman, Henry, 1889-; Reimer, F. C. (Frank Charles), b. 1881; Norris, R. K. (Robert Kearney), 1899-(Corvallis, Or. : Agricultural Experiment Station. Oregon State Agricultural College., 1929-08)
Oregon State College. Agricultural Experiment Station; Waldo, George F. (George Fordyce), b. 1898; Wiegand, Ernest Herman, 1886-; Hartman, Henry, 1889-(Corvallis, Or. : Agricultural Experiment Station. Oregon State College., 1943-04)