"Gwaith Mynyddog. Cyfrol II" by Mynyddog is a collection of poems published in 1915. This volume presents 77 previously unpublished poems by Richard Davies (Mynyddog), one of Wales's most popular Victorian-era poets. Edited by D. Emlyn Evans and completed by O.M. Edwards, the collection features diverse poetic forms including englynion, hymns, humorous verses, and patriotic songs. These "lost songs" were preserved by the poet's widow and reveal works he chose not to include in his four earlier published collections.