Harkness and Wagner's biology and medicine of rabbits and rodentsJohn E. Harkness · First published 2010Open the Tome
The cost of protectionism with high international mobility of factorsJohn Harkness Dales · First published 1964Open the Tome
Engineering and society. Part II - economic development in CanadaJohn Harkness Dales · First published 1946Open the Tome
The protective tariff in Canada's development ; eight essays on trade and tariffs when factors move with special reference to Canadian protectionism 1870-1955John Harkness DalesOpen the Tome
