Mayr, Ernst: The growth of biological thought: diversity, evolution, and inheritance. Cambridge, Mass. 1982. Internet: https://books.google.de/books?id=pHThtE2R0UQC&printsec=frontcover&dq=The+Growth+of+Biological+Thought.+Diversity,+Evolution,+and+Inheritance.&hl=en&sa=X&ved=0ahUKEwiEjPadk7rTAhUGVhoKHXbmBRIQ6AEIIjAA#v=onepage&q&f=false.