Harvard Lunar Plates, Plates 9461, 9492, 9491, 1915-10-27/1915-10-30 Digital

Harvard Lunar Plates, Plates 9461, 9492, 9491, 1915-10-27/1915-10-30. Harvard College Observatory observations, logs, instrument readings, and calculations, KG11365-6, phaedra1993, Box: 82. Wolbach Archives, Wolbach Library, Harvard University. https://id.lib.harvard.edu/ead/c/wol00001c12104/catalog Accessed May 09, 2024.