1. Amsterdamska O (1991) Stabilizing instability: the controversy over cyclogenic theories of bacterial variation during the interwar period. J Hist Biol 24:191–222
2. Arrhenius S (1908) Worlds in the making: the evolution of the universe (Eng trans Borns H). Harper & Bros., New York
3. Barnard F (1873) The germ theory of disease and its relations to hygiene. Public Health Rep Pap 1:70–87
4. Bastian HC (1872) The beginnings of life, 2 vols. Macmillan, London
5. republished (as are all the Bastian sources cited here) in Strick JE (ed) (2001) Evolution and the spontaneous generation debate, 6 vols. Thoemmes Press, Bristol