Books by J L LaPrade:
Books in the extended shelves:
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LaPrade, J L: Effect of pH on the black shank disease of tobacco (Virginia Agricultural Experiment Station, 1962), also by Joseph L. Troutman (page images at HathiTrust; US access only)- LaPrade, J L: Use of plastic film in production of tobacco seedlings (Virginia Agricultural Experiment Station, 1964), also by J. G. Petty and W. H. Wills (page images at HathiTrust; US access only)
Find more by J L LaPrade at your library, or elsewhere.