Cydymaith yr ysgol Sabbathol

An irregular Welsh language religious periodical intended for the Sunday schools of the Calvinist Methodists. The periodical's main contents were religious articles and Sunday school lessons, alongside reports on the activities of the Sunday schools. The periodical was edited by John Griffith.

Publication Frequency: Irregular

Publication Language: Welsh

Publication Location: Dolgellau

Publisher Details: Owen Rees

First Available Issue: 1859

Last Available Issue: 1860