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Archival description
Papers of Bertha Jeffreys File
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Biographical accounts

By R.M. Williams, from 'Contributions of 20th Century Women to Physics' at CWP website hosted by University of California at Lose Angeles, 1998

By R.M. Williams, from 'Out of the Shadows: Contributions of Twentieth Century Women to Physics' (Cambridge 2006).

Passports

Three passports, covering 1958-1968, 1969-1979, 1990-2000.

Joseph John Thomson (1856-1940)

Includes '...reminiscences of Bertha Swirles who married Harold Jeffreys in 1940' for Centenary celebrations (of his discovery of the electron) 1997, and photograph of Jeffreys from the occasion.

Campbell, A.

Campbell was (Labour) MP for Cambridge. Jeffreys wrote to her on transport issues and Old Age Pensions.

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