Biographical Sources

Dictionary of Scientific Biography, Volume 5

http://books.google.com/books?hl=en&lr=&id=iGYAAAAAMAAJ&oi=fnd&pg=PA12&dq=camille+flammarion+c-flammarion&ots=Na9Z2Q7fRg&sig=PyJ5E6ZFdehrel265VZDY3exg4U

http://books.google.com/books?hl=en&lr=&id=fDgLAAAAYAAJ&oi=fnd&pg=PR19&dq=camille+flammarion+c-flammarion&ots=E1Oani_jHn&sig=QjGoOwhnLpOD5FRCXoRa90wVi7A#PPR7,M1

http://www.jstor.org/view/00368075/ap003834/00a00170/0?currentResult=00368075%2bap003834%2b00a00170%2b0%2c03&searchUrl=http%3A%2F%2Fwww.jstor.org%2Fsearch%2FBasicResults%3Fhp%3D25%26si%3D1%26gw%3Djtx%26jtxsi%3D1%26jcpsi%3D1%26artsi%3D1%26Query%3DCamille%2BFlammarion%253A%2BAstronomy%26wc%3Don