Colin Maclaurin (1742). A Treatise on Fluxions(PDF). p. 125. Maclaurin does not use modern notation but rather gives his results in geometric terms. The gravity results are in article 646. At one point he makes an erroneous statement equivalent to but his subsequent statements are correct.
Kiss, C.; Müller, T. G.; Marton, G.; Szakáts, R.; Pál, A.; Molnár, L.; et al. (March 2024). "The visible and thermal light curve of the large Kuiper belt object (50000) Quaoar". Astronomy & Astrophysics. 684: A50. arXiv:2401.12679. Bibcode:2024A&A...684A..50K. doi:10.1051/0004-6361/202348054.
Castillo-Rogez, J. C.; Matson, D. L.; Sotin, C.; Johnson, T. V.; Lunine, Jonathan I.; Thomas, P. C. (2007). "Iapetus' geophysics: Rotation rate, shape, and equatorial ridge". Icarus. 190 (1): 179–202. Bibcode:2007Icar..190..179C. doi:10.1016/j.icarus.2007.02.018.
Kiss, C.; Müller, T. G.; Marton, G.; Szakáts, R.; Pál, A.; Molnár, L.; et al. (March 2024). "The visible and thermal light curve of the large Kuiper belt object (50000) Quaoar". Astronomy & Astrophysics. 684: A50. arXiv:2401.12679. Bibcode:2024A&A...684A..50K. doi:10.1051/0004-6361/202348054.
Castillo-Rogez, J. C.; Matson, D. L.; Sotin, C.; Johnson, T. V.; Lunine, Jonathan I.; Thomas, P. C. (2007). "Iapetus' geophysics: Rotation rate, shape, and equatorial ridge". Icarus. 190 (1): 179–202. Bibcode:2007Icar..190..179C. doi:10.1016/j.icarus.2007.02.018.
Kiss, C.; Müller, T. G.; Marton, G.; Szakáts, R.; Pál, A.; Molnár, L.; et al. (March 2024). "The visible and thermal light curve of the large Kuiper belt object (50000) Quaoar". Astronomy & Astrophysics. 684: A50. arXiv:2401.12679. Bibcode:2024A&A...684A..50K. doi:10.1051/0004-6361/202348054.
Clairaut, Alexis; Colson, John (1737). "An Inquiry concerning the Figure of Such Planets as Revolve about an Axis, Supposing the Density Continually to Vary, from the Centre towards the Surface". Philosophical Transactions. JSTOR103921.