338.40971
R813C
           Rosenbluth, Gideon
               Concentration in Canadian manufacuring industries \ Gideon Rosenbluth - Princeton : Princeton University Press, 1957.
               xv, 152p. - National Bureau of Economic Research; no.61 .
                A study by the National Bureau of Economic Research, New York

21941
                Subjects: Industrialization-Canada; Manufacturing industries-Canada; Industrial statistics-Canada.