Jeffreys, Harold + his widow, Bertha Swirles, Lady Jeffreys [Theoretical geophysicist and astronomer, Cambridge University; best known as opponent of continental drift theory, but SGB was mainly interested in his work on internal structure of Earth (he showed that the outer core is liquid) and on theory of origin of solar system. ] -- NOTE: Letters on structure of Earth's core, SGB article draft "The Overthrow of the Nebular Hypothesis"; letters from Lady Jeffreys to SGB about her career, SGB's articles on Earth's core, planetary physics; Obituary for Jeffreys; copies of Jeffreys' articles; postcard of art based on Jeffreys' scientific work; corresp w/ Frank W.J. Olver about Lady Jeffreys' letters; J.V. Fields' email notification of Lady Jeffreys' death., 1976-1999

Jeffreys, Harold + his widow, Bertha Swirles, Lady Jeffreys [Theoretical geophysicist and astronomer, Cambridge University; best known as opponent of continental drift theory, but SGB was mainly interested in his work on internal structure of Earth (he showed that the outer core is liquid) and on theory of origin of solar system. ] -- NOTE: Letters on structure of Earth's core, SGB article draft "The Overthrow of the Nebular Hypothesis"; letters from Lady Jeffreys to SGB about her career, SGB's articles on Earth's core, planetary physics; Obituary for Jeffreys; copies of Jeffreys' articles; postcard of art based on Jeffreys' scientific work; corresp w/ Frank W.J. Olver about Lady Jeffreys' letters; J.V. Fields' email notification of Lady Jeffreys' death., 1976-1999, 2.5.19, Box: 5, Folder: 19.0. Stephen G. Brush papers, 0294-UA. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/archival_objects/286605 Accessed June 01, 2024.