Tregruk (recorded television program). Time Team. Tregruk settlement, Llangybi village, town of Pontypool, Monmouth shire, UK: Channel 4. 2013-03-11. season 17, episode 8. Arxivat de l'original el 2021-10-30 – via YouTube.
Tregruk (recorded television program). Time Team. Tregruk settlement, Llangybi village, town of Pontypool, Monmouth shire, UK: Channel 4. 2013-03-11. season 17, episode 8. Arxivat de l'original el 2021-10-30 – via YouTube.
Tregruk (recorded television program). Time Team. Tregruk settlement, Llangybi village, town of Pontypool, Monmouth shire, UK: Channel 4. 2013-03-11. season 17, episode 8. Arxivat de l'original el 2021-10-30 – via YouTube.
Benito i Monclús, Pere «Pleitear contra el señor del castillo y bajo su jurisdicción resistencias de los campesinos catalanes frente a la servidumbre de las obras de "Castell termenat" (siglos XIV-XV)» (en castellà). Studia historica. Historia medieval, ISSN 0213-2060, Nº 30,, 30, 2012, pàg. 214. ISSN: 0213-2060.
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Tregruk (recorded television program). Time Team. Tregruk settlement, Llangybi village, town of Pontypool, Monmouth shire, UK: Channel 4. 2013-03-11. season 17, episode 8. Arxivat de l'original el 2021-10-30 – via YouTube.