Other psalters from the aristocratic house of Wherwell are MS. add.
All compilers of Psalters make rules, but Mr. Young carries them out.
There are also some fifteenth-century psalters and antiphonaries.
The sign is also used in psalters and the like to mark off periods for chanting.
The only other books that had been printed at that time were the Psalters of 1457 and 1459.