The more correct form of the word commonly spelt BUHL.

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1875.  Pollen, Anc. & Mod. Furnit. (1875), 95. Boul marquetry, which owes its name to the maker … André Charles Boule.

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1883.  Scotsman, 9 May, 11/8. Old Bronze Groups … on magnificent coloured Boule Pedestals.

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