'Vitruvius;' Evelyn's 'Silva;' Duhamel, 'Transport des Bois;' Pursh's 'N. American Flora;' Miller's 'Gardener's Dictionary;' Ellis's 'Timber Tree Improved;' Rees's 'Cyclopaedia;' Lambert's 'Travels in Canada;' Micbaux's 'Travels;' and 'North American Sylva;' Oliver's 'Travels;' Belidor, 'Science des Ingenieurs;' Barlow's 'Essay on the Strength of Timber;' Rondelet, L'Art de Batir;' Winch, 'On the Geography of Plants;' Knowle's ' Inquiry concerning the Navy;' Morgan and Creuze's 'Papers on Naval

Architecture;' Von Buch's 'Travels in Norway;' Linnaeuss 'Tour in Lapland;' Coxe's 'Travels in Norway;' Thunberg's 'Travels;' Chapman, 'On the Preservation of Timber;' Matthews, 'On Naval Timber;' Fincham's 'Outline of Ship-building;' Rhind's 'Hist, of the Vegetable Kingdom;' Loudon's 'Ency. of Trees and Plants;' Balfour's 'Class Book of Botany;' Selby's 'Hist, of British Forest Trees;' Brown's 'Forester;' 'Report on the Paris Exhibition;' 'Dict, of the Arch. Publication Society.'