1. Loughnane, J. B. and Phyllis Clinch.. 1935. Composition of interveinal mosaic of potatoes. Nature 135:833.
2. MacLachlan, D. S. and R. H. Larson. 1953. Relationships of naturally occurring strains of potato virus A. (Abs.) Phytopath. 43:479.
3. MacLachlan, D. S., R. H. Larson, and J. C. Walker. 1953. Strain interrelationships in potato virus A. Wis. Agr. Exp. Sta. Res. Bull. 180.
4. McKay, M. B and T. P. Dykstra. 1932. Potato virus diseases. Oregon investigations 1924–1929. Oreg. Agr. Exp. Sta. Bull. 294.
5. Murphy, P. A. and R. McKay. 1932. A comparison of some European and American virus diseases of the potato. Roy. Dublin Soc. Sci. Proc. 20 (N.S.): 347–358.