Mario A. Di Gregorio: opere
- 1984 T.H. Huxley's place in natural science, Yale University Press, New Haven, [rif.]
- 1990 Charles Darwin's Marginalia, Garland, New York, [rif.]
- 2004 From Here to Eternity: Ernst Haeckel and Scientific Faith, Vandenhoeck & Ruprecht, Göttingen, [rif.]