Harvard Lunar Plates, Plates 8635, 8636, 8639, 1915-05-29/1916-05-31 Digital

Harvard Lunar Plates, Plates 8635, 8636, 8639, 1915-05-29/1916-05-31. Harvard College Observatory observations, logs, instrument readings, and calculations, KG11365-6, phaedra1981, Box: 81. Wolbach Archives, Wolbach Library, Harvard University. https://id.lib.harvard.edu/ead/c/wol00001c12092/catalog Accessed April 25, 2024.