Licentiam habeatis mihi qualemcunque volueritis disciplinam ponere; vel venumdare, aut quod vobis placuerit de me facere. Marculf. Formul. 1. ii. 28, in tom. iv. p. 497.
The Formula of Lindenbrogius (p. 559), and that of Anjou (p. 565), are to the same effect. Gregory of Tours (1. vii. c. 45, in tom. ii. p. 311) speaks of many persons who sold themselves for bread in a great famine.