Harvard Lunar Plates, Plates 9389, 9413, 9414, 1915-10-21/1915-10-23 Digital

Harvard Lunar Plates, Plates 9389, 9413, 9414, 1915-10-21/1915-10-23. Harvard College Observatory observations, logs, instrument readings, and calculations, KG11365-6, phaedra1992, Box: 82. Wolbach Archives, Wolbach Library, Harvard University. https://id.lib.harvard.edu/ead/c/wol00001c12103/catalog Accessed May 09, 2024.