1. Argument Principle  
   Eric W. Weisstein, MathWorld, Wolfram Research Inc., Chamapign, IL  
2. Argument principle  
   PlanetMath.org   
3. Argument Principle  
   Jeff E. Lewis, Math. Dept., University of Illinois, Chicago, IL  
4. Argument principle  
   Wikipedia, the freeEncyclopedia, Wikimedia Foundation
5. ...  The argument principle  
   Hans Lundmark, Department of Mathematics, Linköping University, Sweden
6. Argument Principle  applet  
   Camilla Jordan, Math. Dept., The Open University Yorkshire Region, Leeds, UK  
7. Argument Principle  applet  
   Terence Tao, Analysis Group, Math. Dept. University of California Los Angeles, CA
8. Argument principle in stability analysis: application to a single-mode laser with optical feedback  
   Jaskorzynska, B.; Lenstra, D., Technische Hogeschool Delft, Netherlands
9. The Argument Principle and Roots of Polynomials  PDF  
   David Iron, Math. Dept., Dalhousie University, Nova Scotia, Canada  
10. Argument Principle  PDF  
    Jeff E. Lewis, Math. Dept., University of Illinois, Chicago, IL  
11. Argument Principle  PDF  
    George Cain, Math. Dept., Georgia Institute of Technology, Atlanta, GA  
12. The argument principle  PDF  
    Ilpo Laine, Matematiikan Dept.,  University of Joensuu, Finland  
13. The Argument Principle  PDF  
    Lenya Ryzhik, Math. Dept., University of Chicago, IL
14. Principle of the Argument  PDF  
    John Deyst; Karen Willcox, Aeronautics and Astronautics, Massachusetts Inst. of Tech., Cambridge, MA
15. Principle of the Argument (Cauchy's Theorem)  PDF  
    Yeung Yam, Automation and Computer-Aided Engineering, The Chinese University, Hong Kong
16. Locating all the Zeros of an Analytic Function in one Complex Variable  PDF  
    Michael Dellnitz; Oliver Schütze, Univ of Paderborn, Qinghua Zheng, Siemens AG Munchen, Germany

(c) John H. Mathews 2006