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cornell.edu
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Way, Roger D. (April 1979). "Apple varieties grown in New York State"(PDF). New York's Food and Life Sciences Bulletin. 78. Geneva, NY: New York State Agricultural Experiment Station, Cornell University: 4. Archived from the original(PDF) on February 15, 2010. Retrieved 2010-01-15.
Way, Roger D. (April 1979). "Apple varieties grown in New York State"(PDF). New York's Food and Life Sciences Bulletin. 78. Geneva, NY: New York State Agricultural Experiment Station, Cornell University: 4. Archived from the original(PDF) on February 15, 2010. Retrieved 2010-01-15.