"William Mackenzie, Ludgate Hill, Edinburgh and Dublin, was a well-known publisher of natural history books in the 1870s. He published works by the trio of Francis Orpen Morris, Benjamin Fawcett and Alexander Francis Lydon. His best-known publication was probably County Seats of The Noblemen and Gentlemen of Great Britain and Ireland in 1870." - (en.wikipedia.org 11.10.2022)
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