Introduction; Solution of Fredholm Integral Equations; HilbertSchmidt Theory: Symmetric Kernels; Solution of Integral Equations of Second Kind: Successive Approximation and Substitution Methods; Classical Freeholm Theory; Singular Integral Equations; Integral Transform Method; Boundary Value Problems and Green's Function; Dirac Delta Function; Modified Green's Function; Higher Dimensional Green's Function; Perturbation Theory.