المؤلفون: Scannell, J.

المصدر: American Journal of Potato Research; March 1925, Vol. 2 Issue: 3 p122-127, 6p

المؤلفون: Young, L., Sawyer, Richard, Murphy, Hugh, Scannell, J., Campbell, John, Sparks, Walter, Smith, Ora, Raymer, William, Treadway, R., Campbell, J., Hawkins, Arthur, Rowberry, R., Cunningham, C.

المصدر: American Journal of Potato Research; September 1962, Vol. 39 Issue: 9 p348-355, 8p

المؤلفون: Garrett, Frank, Ward, W., Purdy, Allen, Campbell, J., Evans, H., Tussing, E., Jackman, E., Burke, O., Noonan, John, Scannell, J.

المصدر: American Journal of Potato Research; June 1947, Vol. 24 Issue: 6 p198-208, 11p

المؤلفون: Ward, W., Koehnke, Marx, Evans, H., Henderson, C., Bailey, Harold, Wasylyk, H., Goodin, R., Scannell, J.

المصدر: American Journal of Potato Research; September 1948, Vol. 25 Issue: 9 p341-350, 10p

المؤلفون: Ward, W. B., Gardner, John S., Beverly, Verne C., Koehnke, Marx, MacAbeee, F. John, Evans, H. J., Henderson, C. A., Bailey, Harold L., Scannell, J. W., Reid, E. D.

المصدر: American Journal of Potato Research; September 1949, Vol. 26 Issue: 9 p344-351, 8p

المؤلفون: Ward, W., Vance, Ben, Campbell, John, Evans, H., Hardenburg, E., Barnes, W., Scannell, J., Gagon, Roger

المصدر: American Journal of Potato Research; July 1949, Vol. 26 Issue: 7 p270-278, 9p

المؤلفون: Garrett, Frank, Ward, W., Railey, H., Trank, Warren, Campbell, John, Henderson, C., Barnes, W., Harris, M., Scannell, J., Goodin, R.

المصدر: American Journal of Potato Research; May 1949, Vol. 26 Issue: 5 p182-192, 11p

المؤلفون: Garret, Frank, Beverly, Verne, Campbell, John, Evans, W., Barnes, W., Tandy, Cleve, Scannell, J.

المصدر: American Journal of Potato Research; March 1949, Vol. 26 Issue: 3 p106-116, 11p

المؤلفون: Frutchey, Cecil, Beverly, Verne, Koehnke, Marx, Henderson, C., Henderson, C., Scannell, J.

المصدر: American Journal of Potato Research; November 1949, Vol. 26 Issue: 11 p420-423, 4p

المؤلفون: Hawkins, Arthur, Ward, W., Beverly, Verne, Fernow, K., Henderson, C., Noonan, John, Scannell, J., Gagnon, Roger

المصدر: American Journal of Potato Research; August 1948, Vol. 25 Issue: 8 p302-314, 13p