Reports on Observations of Stars in Northern Hemisphere up to 9th magnitude Pulkovo, 1879 Digital

Reports on Observations of Stars in Northern Hemisphere up to 9th magnitude Pulkovo, 1879. Harvard College Observatory observations, logs, instrument readings, and calculations, KG11365-6, phaedra1816, Box: 76. Wolbach Archives, Wolbach Library, Harvard University. https://id.lib.harvard.edu/ead/c/wol00001c11927/catalog Accessed April 25, 2024.