Dalen genhadol chwarterol y Gymdeithas er Ledaenu yr Efengyl

The quarterly Welsh language religious periodical of the Society for the Propagation of the Gospel. The periodical's main content was articles on the foreign missionary work of the society.

Publication Frequency: Quarterly

Publication Language: Welsh

Publication Location: London

Publisher Details: Y Gymdeithas er Lledaenu yr Efengyl]

First Available Issue: 1876

Last Available Issue: 1886