Is circumcision a requirement for salvation for Christian males? 
From christiananswers.com -- http://tinyurl.com/2nhdns  

Christian Parents and Infant Circumcision 
http://www.cirp.org/pages/cultural/peron1/  

Christian Parents and the Circumcision Issue (Printable Pamphlet)                http://www.coloradonocirc.org/files/handouts/Christian_Parents_and_the_Circumcision_Issue.pdf

Christians: Baptism, Not Circumcision
http://www.drmomma.org/2010/02/christians-baptism-not-circumcision.html

Christian Perspective - What the Bible Really Says About Circumcision:
http://www.udonet.com/circumcision/christian.html  

Biblical Circumcision Information: 
http://www.drmomma.org/2010/07/biblical-circumcision-information.html

Galatians in Contemporary Terms Part I: http://www.holisticmomma.com/2012/01/07/galatians-in-contemporary-terms-part-i/