The Oxford comma rule was created in 1905 by a printer named Horace Hart. Hart updated his style guide for Oxford University Press and required his employees to include the extra comma before the ...

whereas AP style recommends quotation marks), or whether to use a serial comma—also known as an “Oxford” comma (Chicago style: yes; AP style: no). However, the editors at the University of Chicago ...

An Oxford, or serial, comma is the last comma in a list ... that the photo is of a page from Steven Pinker's "The Sense of Style." However, he added, "I have seen all of the sentences before ...