A comparative study of American and European pean potato virus diseases T. P. Dykstra OriginalPaper Pages: 281 - 287
Chromosome doubling in potatoes induced by colchicine treatment Francis E. Johnstone OriginalPaper Pages: 288 - 304
Report of the twenty-fifth annual meeting of the Potato Association of America E. L. NewdickF. M. BlodgettE. V. Hardenburg Report Pages: 304 - 307