1 2 Gertrude B. Elion <a href='https://wikidata.org/wiki/Track:P3430'></a><a href='https://wikidata.org/wiki/Track:Q29861311'></a> 1 2 Encyclopædia Britannica <a href='https://wikidata.org/wiki/Track:Q5375741'></a><a href='https://wikidata.org/wiki/Track:P1417'></a><a href='https://wikidata.org/wiki/Track:P2450'></a> 1 2 Ogilvie M. B. The Biographical Dictionary of Women in Science: Pioneering Lives From Ancient Times to the Mid-20th Century — Routledge, 2003. — Vol. 1. — P. 415. — 798 p. — ISBN 978-1-135-96342-2 <a href='https://wikidata.org/wiki/Track:Q28721132'></a><a href='https://wikidata.org/wiki/Track:Q16733642'></a><a href='https://wikidata.org/wiki/Track:Q1508259'></a> ↑ Stille Darlene R. Extraordinary Women Scientists (p.65) — Childrens Press.