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Diplomatic conference for the revision of the international convention for the protection of new varieties of plants, Geneva, March 4 to 19 1991 : basic proposal for a new act of the international convention for the protection of new varieties of plants adopted by the UPOV Council on October 19, 1990.
- International Union for the Protection of New Varieties of Plants.
Proceedings of the 8th Pacific Science Congress of the Pacific Science Association held at the University of the Philippines Diliman, Quezon City, 16th November to 28th November 1953. Vol. 4 A, Botany : Symposium on medicinal plants.
- Symposium on Medical Plants (1953 : Quezon City, Philippines)
New illustration of the sexual system of Carolus von Linnaeus : comprehending an elucidation of the several parts of the fructification ; a prize dissertation on the sexes of plants, a full explanation of the classes, and orders, of the sexual system ; and the Temple of Flora, or Garden of nature, being Picturesque, botanical, coloured plates, of select plants, illustrative of the same, with descriptions ; [motto: 4 lines]
- Thornton, Robert John, 1768?-1837.
- 1807 [i.e. 1799-1810]
Viruses 1950 : proceedings of a conference on the similarities and dissimilarities between viruses attacking animals, plants, and bacteria, respectively
- Conference on the Similarities and Dissimilarities between Viruses Attacking Animals, Plants and Bacteria (1950 : California Institute of Technology)
- , ©1950