Cambridge ephemeris. An almanack of coelestial motions and configurations for the year of the Christian epocha, 1687 Calculated for longitude 215. dgr. and latitude 42 dgr. 30, min. north. - Williams, William (Printed by S.G. [Samuel Green] colledg. printer, 1687)
At head of title: MDCLXXXVII. - Attributed by Evans to William Williams, author of the Cambridge ephemeris for 1685. - Drake, M. Almanacs, 2876. - Evans, 436. - Follows the Old Style calendar. - Wing (2nd ed.), A2770