1. Patterns of Arrangement and Connectivity in the Central Nervous System of Arachnids
2. Beiträge zur Morphologie der Arthropoden: I. Ein Beitrag zur Kenntnis der Pedipalpen;Börner C.;Zoologica,1904
3. The relationship of the chelicerate arterial system to the evolution of the endosternite;Firstman B.;Journal of Arachnology,1973
4. S. Franz‐Guess J.M. Starck