Helen Brook : Oxford Biography Index entry

The Oxford Biography Index is an authoritative and accurate index of notable people – their names, their dates, and their fields of activity.

Oxford Biography Index entry

Helen Brook

Brook [née Knewstub], Helen Grace, Lady Brook (1907–1997), advocate of birth control

Oxford Biography Index Number 101069189 [what is this?]
http://www.oxforddnb.com/index/101069189 Primary authority: Oxford DNB

Hera Cook, ‘Brook , Helen Grace, Lady Brook (1907–1997)’, first published Sept 2004, 900 words

http://dx.doi.org/10.1093/ref:odnb/69189

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