The ovarian egg of Limulus; a contribution to the problem of the centrosome and yolk-nucleus .. Q Science
Graphic algebra ; or, Geometrical interpretation of the theory of equations of one unknown quantity Q Science
Graphic algebra; or, Geometrical interpretation of the theory of equations of one unknown quantity. By A.W. Phillips and W. Beebe Q Science
Observations of the transit of Venus : December 5 and 6, 1882, made at the Harvard College Observatory Q Science
