Bon-Accord's ephemeris, or New prognostication, : [fo]r the year of man's redemption, 1684, being bissextile or, leap year now when the year doth leap, beware of shroes and sheep : calculated exactly according to art, from diverse very fa[mo]us authors, for this our ancient kingdom of Scotland [and] more especially, (& even according to typographer's [very] bound duty,) for the latitude and meridian of famous [Bo]n-Accord, whose elevation is 57 degrees 10 miuuts [sic] /