Book Wills, Christopher; Bada, Jeffrey; (2000)
The Spark of Life: Darwin and the Primeval Soup unapi

Article Van Wyhe, John; Pallen, Mark J.; (2012)
The “Annie Hypothesis”: Did the Death of His Daughter Cause Darwin to “Give up Christianity”? unapi

Book Loy, James; Loy, Kent M.; (2010)
Emma Darwin: A Victorian Life unapi

Book Lefèvre, Wolfgang; (2009)
Die Entstehung der biologischen Evolutionstheorie unapi

Article Domondon, Andrew T.; (2013)
A History of Altruism Focusing on Darwin, Allee and E.O. Wilson unapi

Article Ogawa, Mariko; (2001)
The Mysterious Mr. Collins: Living for 140 Years in Origin of Species unapi

Book Bowler, Peter J.; (2013)
Darwin Deleted: Imagining A World without Darwin unapi

Chapter Wilson, Lindsay; (2011)
Representations of Women in the History of Science in France: Going beyond Names without Faces and Faces without Accomplishments unapi

Article Ellis, W. Mark; (2011)
The Problem with the Species Problem unapi

Article Kottler, Malcolm J.; (1978)
Charles Darwin's biological species concept and theory of geographic speciation: The transmutation notebooks unapi

Article West, David A.; (2007)
Fritz Müller's First Copy of Darwin's Origin Rediscovered unapi

Book Robinson, Andrew; (2010)
Sudden Genius? The Gradual Path to Creative Breakthroughs unapi

Book Ruse, Michael; Travis, Joseph; (2009)
Evolution: The First Four Billion Years unapi

Article Hellström, Nils Petter; (2012)
Darwin and the Tree of Life: The Roots of the Evolutionary Tree unapi

Book Ryan, Frank X.; (2001)
Darwin's impact: Social evolution in America, 1880-1920 unapi

Book Parker, Sue Taylor; Jaffe, Karin Enstam; (2008)
Darwin's Legacy: Scenarios in Human Evolution unapi

Book Stott, Rebecca; (2012)
Darwin's Ghosts: The Secret History of Evolution unapi

Article Fagan, Melinda B.; (2007)
Wallace, Darwin, and the Practice of Natural History unapi

Article Gayon, Jean; (2010)
Sexual Selection: Another Darwinian Process unapi

Article Cela-Conde, Camilo J.; Burges, Lucrecia; Nadal, Marcos; Olivera, Antonio; (2010)
Altruism and Fairness: Unnatural Selection? unapi