The Nuttall Encyclopedia
maritime county of Scotland, on the E. fronting the Firth of Forth and the North Sea, N. of Berwickshire; on the southern border lie the Lammermuir Hills; the Tyne is the only river; considerable quantities of coal and limestone are wrought, but agriculture is the chief industry, 64 per cent, of the land being under cultivation.
Wood, James, ed. Entry for 'Haddingtonshire'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/h/haddingtonshire.html. Frederick Warne & Co Ltd. London. 1900.