When Ginger proclaims that he is "Ozymandias King of Kings" he is quoting from an 1818 poem of the same name by Percy Shelly.
The last six episodes of season 1 are named after female singers and actresses associated with "Swinging" London of the '60s: Shirley Bassey, Cilla Black, Julie Christie, Sandie Shaw, Alma Cogan and Marianne Faithfull.