Definitions and Concepts. -- Formation of the Global Analysis Equations. -- Stiffness Analysis of Frames - I. -- Stiffness Analysis of Frames -II. -- Virtual Work Principles. -- Virtual Work Principles in Framework Analysis. -- Nonlinear Analysis of Frames - An Introduction. -- Geometric Nonlinear and Elastic Critical Load Analysis. -- Material Nonlinear Analysis. -- Solution of Linear Algebraic Equations. -- Solution of Nonlinear Equilibrium Equations. -- Special Analysis Procedures. -- Appendices. -- References