Taith gerdded archeologol [sic] o gwmpas caerau oes haearn Moel Offrwm, Llanfachreth, Meirionnydd = Archaeological walk around Moel Offrwm iron age hillforts, Llanfachreth, Meirionnydd. Published by Ymddiriedolaeth Archaeolegol Gwynedd in 2009. Publication and catalogue information, links to buy online and reader comments.