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Archival descriptionBackground information on E. Cunningham, E. Bessel-Hagen, etc.
Background information on E. Cunningham, E. Bessel-Hagen, etc.
Box of index cards labelled 'Bertha Jeffreys', used for listing research folders, arranged by topic and numbered
Box of index cards labelled 'Bertha Jeffreys', used for listing research folders, arranged by topic and numbered