Orr, Mary Acworth, 1867-1949 |
Dante and the early astronomers / by M.A. Orr ; with an introduction by Barbara Reynolds. |
London : A. Wingate, 1956. |
Orr, Mary Acworth, 1867-1949 |
Dante and the early astronomers / by M.A. Orr. |
London : Gall and Inglis, [1913?] |
Pagnini, Pietro, 1875-1955 |
Galileo and Simon Mayer / by Pietro Pagnini |
In: Astronomical journal Vol. 41, no. 9 (1931) |
Orr, Mary Acworth, 1867-1949 |
Galileo, Newton, Halley : the men themselves / by M.A. Evershed. |
In: Journal of the Royal astronomical society of Canada Vol. 37 (Feb. 1943), p. 47-51 |