Gingerich, Owen, 1930-2023 |
The accuracy of the Toledan tables / Owen Gingerich and Barbara Welther |
Thoren, Victor E., 1935-1991 |
Kepler's second law in England / Victor E. Thoren, Owen Gingerich, Barbara Welther |
In: British journal for the history of science Vol. 7 (1974), p. 243-258 |
Gingerich, Owen, 1930-2023 |
Note on Flamsteed's lunar tables : appendix / Owen Gingerich and Barbara Welther |
Gingerich, Owen, 1930-2023 |
Planetary, lunar and solar positions, new and full moons : A.D. 1650-1805 / Owen Gingerich and Barbara L. Welther |
Philadelphia : The American philosophical society, 1983. |
Welther, Barbara L. |
The world's largest telescopes : 1850-1950 / Barbara L. Welther |
In: General history of astronomy. Vol. 4.1, p. [199-200] |