Geological map of Monte Somma and Vesuvius = Carta geologica di Monte Somma e Vesuvio - Johnston-Lavis, Henry James 1856-1914 (Philip, 1891)
Titel der Erl.: A short and concise account of the eruptive phenomena & geology of Monte Somma and Vesuvius : in explanantion of the great geological map of that volcano, constructed during the years 1880 to 1888