Franklin, B. (1757). Poor Richard improved: Being an almanack and ephemeris of the motions of the sun and moon : the true places and aspects of the planets : the rising and setting of the sun : and the rising, setting and southing of the moon, for the year of our Lord 1758 : being the second after leap-year : containing also, the lunations, conjunctions, eclipses, judgment of the weather, rising and setting of the planets, length of days and nights, fairs, courts, roads, &c : together with useful tables, chronological observations, and entertaining remarks : fitted to the latitude of forty degrees, and a meridian of near five hours west from London : but may, without sensible error, serve all the northern colonies. Philadelphia: Printed and sold by B. Franklin, and D. Hall.

Franklin, Benjamin. Poor Richard Improved: Being an Almanack and Ephemeris of the Motions of the Sun and Moon : The True Places and Aspects of the Planets : The Rising and Setting of the Sun : And the Rising, Setting and Southing of the Moon, for the Year of Our Lord 1758 : Being the Second After Leap-year : Containing Also, the Lunations, Conjunctions, Eclipses, Judgment of the Weather, Rising and Setting of the Planets, Length of Days and Nights, Fairs, Courts, Roads, &c : Together With Useful Tables, Chronological Observations, and Entertaining Remarks : Fitted to the Latitude of Forty Degrees, and a Meridian of Near Five Hours West From London : But May, Without Sensible Error, Serve All the Northern Colonies. Philadelphia: Printed and sold by B. Franklin, and D. Hall, 1757.

Franklin, Benjamin. Poor Richard Improved: Being an Almanack and Ephemeris of the Motions of the Sun and Moon : The True Places and Aspects of the Planets : The Rising and Setting of the Sun : And the Rising, Setting and Southing of the Moon, for the Year of Our Lord 1758 : Being the Second After Leap-year : Containing Also, the Lunations, Conjunctions, Eclipses, Judgment of the Weather, Rising and Setting of the Planets, Length of Days and Nights, Fairs, Courts, Roads, &c : Together With Useful Tables, Chronological Observations, and Entertaining Remarks : Fitted to the Latitude of Forty Degrees, and a Meridian of Near Five Hours West From London : But May, Without Sensible Error, Serve All the Northern Colonies. Philadelphia: Printed and sold by B. Franklin, and D. Hall, 1757.