August Weismann

• 

  On Germinal Selection as a Source of Definite Variation

  August Weismann
• 

  Essays Upon Heredity and Kindred Biological Problems

  August Weismann
• 

  The Effect of External Influences upon Development

  August Weismann
• 

  The Effect of External Influences upon Development

  August Weismann
• 

  Perspectives on Genetics: A Comprehensive Collection of 6 Books

  August Weismann