"The History of the Sun and the History of Climate" NASA MSFC, 1976 January 8

"The History of the Sun and the History of Climate" NASA MSFC, 1976 January 8, 04 02 JAE 2 Box 3 Folder 1, Box: 3, Folder: 1. John A. Eddy Papers, 04-02-JAE. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/3144 Accessed December 18, 2025.