Design Patterns Links

http://www.c-sharpcorner.com/UploadFile/questpond/DP109212008014904AM/DP1.aspx

http://www.dofactory.com/Patterns/Patterns.aspx

http://www.techfaq360.com/oops_interview_questions.jsp

http://www.codeproject.com/KB/aspnet/SoftArchInter1.aspx