An introduction to algebra - Rahn, Johann Heinrich 1622-1676 (Printed by W.G. for Moses Pitt, 1668)
"Algebra Rhonii Germanice" p. [4]. - "D.P." is Dr. John Pell. Cf. BM. - Arber's Term cat, I 5. - Errata: p. [6]-[8]. - Reproduction of original in British Library. - Translation of: Teutsche Algebra. - Wing, R136