Thesis Wellner, Karen L.; (2014)
Lessons from Embryos: Haeckel's Embryo Drawings, Evolution, and Secondary Biology Textbooks (/isis/citation/CBB001567645/)

Article Hopwood, Nick; (2006)
Pictures of Evolution and Charges of Fraud: Ernst Haeckel's Embryological Illustrations (/isis/citation/CBB000670195/)

Article Nöthlich, Rosemarie; Wetzel, Nadine; Hoßfeld, Uwe; Olsson, Lennart; (2006)
“Ich acquirirte das Schwein sofort, ließ nach dem Niederstechen die Pfoten abhacken u. schickte dieselben an Darwin”---Der Briefwechsel von Otto Zacharias mit Ernst Haeckel (1874--1898) (/isis/citation/CBB000933670/)

Book Hopwood, Nick; Haeckel, Ernst; (2015)
Haeckel's Embryos: Images, Evolution, and Fraud (/isis/citation/CBB001422708/)

Article Henning Hufnagel; Nick Hopwood; Frank Jäger; Nicolas Wanlin; (2016)
Kreatives Kopieren: Ernst Haeckels Embryonenbilder (/isis/citation/CBB488755501/)

Article Schmitt, Stéphane; (2003)
Homeosis and Atavistic Regeneration: The “Biogenetic Law” in Entwicklungsmechanik (/isis/citation/CBB000600372/)

Book Keiko Sato; (2015)
Hekkeru to shinka no fantaji: Ichigenron, ekoroji, keitouju ヘッケルと進化の夢:一元論,エコロジー,系統樹 Haeckel and the Fantasy of Evolution: Monism, Ecology, and the Genealogical Tree (/isis/citation/CBB052999110/)

Article Kyriakou, Kyriakos; Skordoulis, Constantine; (2010)
The Reception of Ernest Haeckel's Ideas in Greece (/isis/citation/CBB001220617/)

Essay Review Hopwood, Nick; (2009)
Darwinism's Tragic Genius: Psychology and Reputation (/isis/citation/CBB001566492/)

Chapter Gliboff, Sander; (2011)
The Golden Age of Lamarckism, 1866--1926 (/isis/citation/CBB001500084/)

Essay Review Radick, Gregory; (2009)
[Essay review] (/isis/citation/CBB001567089/)

Book Richards, Robert J.; (2008)
The Tragic Sense of Life: Ernst Haeckel and the Struggle over Evolutionary Thought (/isis/citation/CBB000950269/)

Article Hopwood, Nick; (2015)
The Cult of Amphioxus in German Darwinism; or, Our Gelatinous Ancestors in Naples' Blue and Balmy Bay (/isis/citation/CBB001510262/)

Article Maurizio Esposito; (2020)
Beyond Haeckel’s Law: Walter Garstang and the Evolutionary Biology that Might Have Been (/isis/citation/CBB981325352/)

Article Rinard, Ruth G.; (1981)
The problem of the organic individual: Ernst Haeckel and the development of the biogenetic law (/isis/citation/CBB000011932/)

Article Grell, Karl G.; (1979)
Die Gastraea-Theorie (/isis/citation/CBB000003179/)

Article Oppenheimer, Jane M.; (1982)
Ernst Heinrich Haeckel as an intermediary in the transmutation of an idea (/isis/citation/CBB000019934/)

Chapter Fangerau, Heiner; (2012)
Monism, Racial Hygiene, and National Socialism (/isis/citation/CBB001201843/)

Article Hoßfeld, Uwe; Olsson, Lennart; (2003)
The Road from Haeckel: The Jena Tradition in Evolutionary Morphology and the Origins of “Evo-Devo” (/isis/citation/CBB000340573/)

Chapter Gliboff, Sander; (2012)
Monism and Morphology at the Turn of the Twentieth Century (/isis/citation/CBB001201838/)