The charity Oxfam was founded in 1942, and has since raised money to work in a number of fields, including development and dealing with poverty and famine. One of their major sources of revenue is their shops, which sell donated goods.
Cromer is a seaside resort in Norfolk. Like many of the places Kathy visits, it is a popular tourist site. It is particularly well known for its crabs.
Irish writer James Joyce is another major name in twentieth century literature, best known for the novels A Portrait of the Artist as a Young Man and Ulysses.
This is a reference to The Wicked Witch of the West, the character from L Frank Baum’s novel The Wizard of Oz. She is best recognised in the form that she takes in the 1939 film adaptation, but has more recently reappeared in the novel and subsequent musical Wicked, which centres on the witch.
Rover was a British car manufacturer that produced vehicles from 1904 until its insolvency in 2005.
This image shows a Rover 3500 from 1974, likely to be the approximate vintage of the car borrowed by Rodney.