Oxfam was a brand of shops on Earth by the 20th and 21st centuries.
History[]
The Ninth Doctor visited an Oxfam in Sheffield in 2004. (PROSE: Have You Seen This Man?)
On 24 April 2004, Ishtar Hutchings gave Chris Cwej a copy of a book by William Blake, which she obtained from an "Oxfam supermarket". (PROSE: Happy Endings)