Works Cited
"Edward Charles Pickering." NNDB: Tracking the entire world. N.p., n.d. Web. 24 Feb. 2012. <http://www.nndb.com/people/940/000100640
"Edward Charles Pickering." NNDB: Tracking the entire world. N.p., n.d. Web. 24 Feb. 2012. <http://www.nndb.com/people/940/000100640
"The Bruce Medalists: Edward C. Pickering." SSU Department of Physics & Astronomy - Home. N.p., n.d. Web. 24 Feb. 2012. http://www.phys-astro.sonoma.edu/brucemedalists/pickering/.
"Biographical Memoir." Biographical Memoir. N.p., n.d. Web. 24 Feb. 2012. <books.nap.edu/html/biomems/epickering.pdf>.
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