338.094
W954I
           Wrigley, E A
               Industrial growth and population change a regional study of the coalfield areas of North-West Europe in the later nineteenth century \ E A Wrigley - Cambridge : Cambridge University Press, 1961.
               xi, 193p. - Cambridge studies in economic history/ed. by M M Postan .
35240
                Subjects: Production (Economic theory); Industrial development project -Europe; Population-Statistics.