1. On a general class of graph polynomials;Farrell;J. Comb. Theory B,1979
2. On a class of polynomials obtained from the circuit in a graph and its application to characteristic polynomials of graphs;Farrell;Discrete Math.,1979
3. On the matching polynomial and its relation to the rook polynomial;Farrell;J. Franklin Institute,1988
4. E. J. Farrell, A note on the clique polynomial and its relation to other graph polynomials – to appear
5. E. J. Farrell, On the derivative of the chromatic polynomial, Sixth Caribbean Conference on Combinatorics and Computing, Triaidad, January 1991