Rhif cytundeb = Contract no.: FC-79-01-02.
Mapiau mewn waledi tryloyw tu fewn i'r clawr cefn = Maps in transparent wallets inside rear cover.
Vegetation survey of maritime cliff and slopes of the Llyn Peninsula, 2000 : report to the Countryside Council for Wales by M. V. Prosser. Published by Countryside Council for Wales in 2000. Publication and catalogue information, links to buy online and reader comments.