Algebraic approach in molecules

For those of you who’s primary tool is not a computer but a pen and a paper: you may find these books very amusing (and maybe even useful):

C.E. Wullfman, Dynamical Symmetry (World Scientific Publishing, 2011)

W. Louisell, Quantum statistical properties of radiation (John Wiley & Sons, New York, 1973)

W. Miller, Jr., Lie Theory and Special Functions (Academic, New York, 1968).