Proceedings of the Third World Orchid Conference, held in London, May 30-June 22, 1960 /. - World Orchid Conference 1960 : London) (London : The Royal Horticultural Society, 1960)
"Sponsored jointly by the American Orchid Society, The British Orchid Grower's Association and The Royal Horticultural Society.
Keywords: ORQUIDEAS -- CULTIVO -- CONGRESOS; ORQUÍDEAS -- CONGRESOS; ORQUÍDEAS -- HISTORIA -- CONGRESOS; CATTLEYAS -- CONGRESOS