Students were required to wear the traditional student's gown and mortarboard cap to classes.
"Tom Brown at Oxford"
Thomas Hughes
As for the mortarboard and gown, undergraduate opinion rather requires that they be left behind.
"An American at Oxford"
John Corbin
The Reverend Mr Hugh C Haines Love M. A. in a plain cassock and mortarboard, his head and collar back to the front, holds over the celebrant's head an open umbrella.
"Ulysses"
James Joyce