Catalogue of stars within one degree of the North pole and optical distortion of the Helsingfors astro-photographic telescope deduced from photographic measures Q Science
Second Radcliffe catalogue, containing 2386 stars; deduced from observations extending from 1854 to 1861, at the Radcliffe Observatory, Oxford; and reduced to the epoch 1860 Q Science
Ulugh Beg’s catalogue of stars, rev. from all Persian manuscripts existing in Great Britain, with a vocabulary of Persian and Arabic words Q Science
Ten years’ work of a mountain observatory; a brief account of the Mount Wilson solar observatory of the Carnegie institution of Washington Q Science
Half-hours with the stars. A plain and easy guide to the knowledge of the constellations. Showing in twelve maps, the position for the United States of the principal star groups night after night, throughout the year, with introduction and a separate explanation of each map. True for every year Q Science
The tides and kindred phenomena in the solar system; the substance of lectures delivered in 1897 at the Lowell institute, Boston, Massachusetts Q Science
Is Mars habitable? : A critical examination of Professor Percival Lowell’s book “Mars and its canals,” with an alternative explanation Q Science
The theory of general relativity and gravitations; based on a course of lectures delivered at the Conference on recent advances in physics held at the University of Toronto, in January, 1921 Q Science