found: Work cat: A study of the changes occurring in black tea during storage, May 1978
found: NAL thesaurus, viewed September 14, 2021(black tea ; té negro)
found: Merriam-Webster dictionary, viewed September 14, 2021black tea (tea that is dark in color from complete oxidation of the leaf before firing)
found: ISO 3720:2011(en):3.1, viewed September 14, 2021(tea derived solely and exclusively, and produced by acceptable processes, notably withering, leaf maceration, aeration and drying, from the tender shoots of varieties of the species Camellia sinensis (L.) O. Kuntze, known to be suitable for making tea for consumption as a beverage)
found: Wikidata, viewed September 14, 2021:Black tea (flavorful tea from tea leaves ; Q203415)
notfound: agrovoc, viewed September 14, 2021