Niven/Cruickshank Archive: Excerpt from 'Evelyn's Sylva' concerning the Culverthorpe or Cowthorpe Oak under which King Charles I is said to have sheltered Evelyn, John (1620-1706) Sylva, or A discourse of forest-trees, and the propagation of timber in His Majesties dominions .. London : Printed for Jo. Martyn, and Ja. Allestry ..., 1670. 2nd ed. much inlarged [sic] and impoved c. 1900