https://scholarlycommons.pacific.edu/euler-works/193/
"De perturbatione motus planetarum ab eorum figura non sphaerica oriund" by Leonhard Euler
By Leonhard Euler, Published on 01/01/53
leonhard eulerperturbationemotusplanetarumeorum
https://www.archiveprintco.com/products/andreas-cellarius-tychonis-brahe-calculus-planetarum-1660
Cellarius Tychonis Brahe Calculus Planetarum | Archive Print Co.
An archival reproduction of Andreas Cellarius's 1660 chart of planetary calculations associated with Tycho Brahe, offered as a print or in black, silver or gold
cellariusbrahecalculusplanetarumarchive