1. J. Riordan, Combinatorial Identities, Wiley, New York (1968).
2. H. W. Gould, Combinatorial Identities: A Standardized Set of Tables Listing 500 Binomial Coefficient Summations, Morgantown Printing & Binding Corporation, Morgantown (1972).
3. L. Comtet, Advanced Combinatorics, Reidel Publ. Comp., Dordrecht (1974).
4. G. P. Egorychev, Integral Representation and Determination of Combinatorial Sums [in Russian], Nauka, Novosibirsk (1977).
5. J. Riordan, Combinatorial Identities [Russian translation], Nauka, Moscow (1982).