BIBLIOGRAPHY 
Chapter I 
BawbeEn, F. C., and Prrrz, N. W. The isolation and some properties 
of liquid crystalline substances from solanaceous plants infected 
with three strains of Tobacco mosaic virus. Proc. Roy. Soc., 
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Burnet, F. M. Propagation of the virus of epidemic influenza on 
the developing egg. Med. J. Austral., 2 (1935), p. 687. 
L’Ectuse, C. DE. Rariorum Aliquot Stirpium per Hispanias Observatorum 
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Green, R. G. On the nature of filterable viruses. Science (N.S.), 
82 (1935), Pp- 443-5. | 
Heterogenesis and the Origin of Viruses. Nature, London, 158 (1946), 
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Larwiaw, P. P. Virus Diseases and Viruses. (The Rede Lecture, 1938, 
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VAN DER Prank, J. E. Origin of some plant viruses. Nature, London, 
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Rous, P. Transmission of a malignant new growth by means of a 
cell-free filtrate. J. Am. Med. Assn., 56 (1911), p. 198. 
SmitH, R. E., and Boncquet, P. A. New light on curly-top of sugar 
beet. Phytopath., 5 (1915), pp. 103-7 
SMITH, W., ANDREWES, C. H., and Larptaw, P. P. A virus obtained 
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STANLEY, W. M. Isolation of a crystalline protein possessing the 
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ZINSSER, Hans. Rats, Lice, and History. (Routledge, London, 1937.) 
Chapter II 
Buttoucu, W. S. The starling (Sturnus vulgaris L.) and foot-and- 
mouth disease. Proc. Roy. Soc., B.131 (1942), pp. I-12. 
Deray, P. D., De Ome, K. B., and BANKowsk1, R. A. Recovery of 
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Rous, P. in Virus diseases (Cornell University Press, Ithaca, N.Y., 1943). 
SALAMAN, R. N., and Le Petey, R. H. Paracrinkle, a potato disease 
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