Harvard Lunar Plates, Plates 13284, 13285, 13307, 1917-08-31/1917-09-04 Digital

Harvard Lunar Plates, Plates 13284, 13285, 13307, 1917-08-31/1917-09-04. Harvard College Observatory observations, logs, instrument readings, and calculations, KG11365-6, phaedra2042, Box: 83. Wolbach Archives, Wolbach Library, Harvard University. https://id.lib.harvard.edu/ead/c/wol00001c12153/catalog Accessed May 09, 2024.