Title: Merlyn y Nos
Description: Nofel hanesyddol sy'n mynd a ni nol i fyd y pyllau glo ganol yr ugeinfed ganrif gan adrodd stori Mathew Mowth Organ a Handel y merlyn sy'n gweithio yn y pwll.
Subjects: Pit pony, Juvenile fiction, Coal mines and mining, History, Children's fiction, Coal mines and mining, fiction, Wales, fiction
Places: Wales
Time periods: 20th century