Detholiad o Morris, L., 1748. Plans of Harbours, Bars, Bays and Roads in St. George's Channel. Mae'r detholiad (tudalen 52) yn disgrifio'r diwydiant pysgota o amgylch Aberdaugleddau.
Mae'r detholiad yn darllen fel a ganlyn: “All Milford Haven abounds with Oysters of which great Quantities are carried to Holland, and other Places. There are also plenty of Herrings and Mackrell upon this Coast, which sometimes come up the Haven, as well as many other Kind of Fish”