G. E. AndrewsDepartment of Mathematics, Pennsylvania State University,
University Park, Pennsylvania.
The main reference used in writing this chapter is Gasper and Rahman (2004). For
additional bibliographic reading see Andrews (1974, 1976, 1986), Andrews et al. (1999), Bailey (1964),
Fine (1988), Kac and Cheung (2002), and Slater (1966).