The collection contains manuscripts and printed material relating to Amlwch and district from the collection of businessman and local historian John Bennett Hughes.
It contains deeds and other legal documents relating to property in Amlwch including dwelling houses and business property, particularly licensed premises such as public houses and hotels and material relating to Amlwch parish. Collection also contains shipping and harbour records, maps, plans and agreements, notebooks, scrapbooks, newspaper cuttings, advertising and other material relating to various Amlwch trades people and businesses including John Hughes & Sons, Tailors.