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↑Cutler, Tony. The world encyclopedia of trees: a reference and identification guide to 1300 of the world's most significant trees. Lorenz Books, [London, England?]. ISBN0754834751.
↑The complete encyclopedia of trees of the world: the ultimate reference and identification guide to more than 1300 of the most spectacular, best-loved and unusual trees around the globe, with 3000 specially commissioned illustrations, maps and photographs. ISBN1015282601.