- 1897, Douglas Macleane, A History of Pembroke College, Oxford, Anciently Broadgates Hall, page 500,
- 1814. The offices of Obsonator, or Manciple, and Cook severed. Tuition fees to be increased, viz. Gentlemen Commoners to twenty-six guineas, Scholars and Commoners to thirteen guineas.
- 1952, Thomas B. Costain, The Silver Chalice, page 399,
- He looked down at Demetrius, the Obsonator, who sat on a platform several feet below him. “Will you have them bring in the cask? I confess, Demetrius, that I am anxious about it. It is an experiment this time.”