Munro, R., Ancient Scottish Lake Dwellings, Edinburgh, 1887; Wilson, D., Archaeological and Prehistoric Annals of Scotland, Edinburgh, 1851; Anderson, J., Scotland in Early Christian times, Edinburgh, 1881; Anderson, J., Scotland in Pagan times: the Iron Age, Edinburgh, 1883; Curle, A. O., The Treasure of Traprain, Scottish Hoard of Roman Silver Plate, Glasgow, 1923; and twenty-two others of similar interest (27)