Article Wilson, Curtis; Harper, William (2014)
The Coming-To-Be of Hansen’s Method. Archive for History of Exact Sciences (pp. 409-497). (/isis/citation/CBB001202203/) unapi

Essay Review Huggett, Nick; Smith, George E; Miller, David Marshall; et al. (2013)
On Newton's Method. Metascience: An International Review Journal for the History, Philosophy and Social Studies of Science. (/isis/citation/CBB001500196/) unapi

Chapter Harper, William (2012)
Newton, Huygens and Euler: Empirical Support for Laws of Motion. In: Interpreting Newton: Critical Essays (pp. 169-195). (/isis/citation/CBB001500344/) unapi

Thesis Martens, Rhonda M. (1997)
Kepler's archetypes in discovery and justification. (/isis/citation/CBB001566105/) unapi