. . . . . . . "The ground of arts, [t]eaching the perfect worke and practise of arithmeticke ... Made by M. Robert Record ... Afterward, augmented by Mr. Iohn Dee. And since enlarged with a Third part of Rules of practise ... By Iohn Mellis. And now ... perused, corrected, illustrated and enlarged; with an Appendix of figurate numbers, and the extraction of their roots ... by Robert Hartwell"@en . . . . "Early works"@en . .