1. The Queue M/G/1 with Group Arrivals -- 1.1 Description and Definitions -- 1.2 Busy Period Transitions -- 1.3 General Transitions of Q(T) -- 1.4 Limiting Behavior of Q(T) -- 1.5 Q(T) and the Unexpended Service Time -- 1.6 Waiting Time W(T): An Approach Through Q(T) -- 1.7 Waiting Time W(T): An Independent Study -- 1.8 The Queue M/G/L with Balking -- 1.9 Special Cases -- 2. The Queue GI/M/1 with Group Service -- 2.1 Description and Definitions -- 2.2 The Busy Period T0 -- 2.3 The Busy Period T1 -- 2.4 The Busy Cycle -- 2.5 General Transitions of Q(T) -- 2.6 Waiting Time W(T) -- 3. Queueing Systems in Discrete Time -- 3.1 The Queue Geom/G/1 -- 3.2 The Queue Gi/Geom/1.