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(en-GB) «Marie Stopes: birth control pioneer and friend of Hitler», BelfastTelegraph.co.uk, (ISSN0307-1235, lire en ligne, consulté le )
(en-GB) Liz Ford, «Marie Stopes charity changes name in break with campaigner's view on eugenics», The Guardian, (ISSN0261-3077, lire en ligne, consulté le )
(en-GB) Liz Ford, «Marie Stopes charity changes name in break with campaigner's view on eugenics», The Guardian, (ISSN0261-3077, lire en ligne, consulté le )