The ascription to Sir Francis of Arcana Aulica: or Walsingham's Manual of Prudential Maxims for the Statesman and the Courtier is erroneous; the book is really the translation of a French treatise by one Edward Walsingham who flourished c. 1643-1659.
arcana הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד