Ellen Swallow Richards
[ar] إيلين سوالو ريتشاردز
[arz] ايلين سوالو ريتشاردز
[ast] Ellen Swallow Richards
[azb] الن سوالو ریچاردز
[ca] Ellen Swallow Richards
[cy] Ellen Swallow Richards
[de] Ellen Swallow Richards
[eo] Ellen Swallow Richards
[es] Ellen Swallow Richards
[eu] Ellen Swallow Richards