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Ritzman, E. G. (395?) 



genetics in practical stock breeding. Amer. Soc. Anim. Prod. Proc. 

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Rommel, G. M. (3958) 



A PLAN FOR THE IMPROVEMENT OF AMERICAN BREEDING STOCK. U. S. Bill'. 



Anim. Indus. Circ. 62: 316-325. 1904. 

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THE SCORE CARD IN STOCK JUDGING AT AGRICULTURAL COLLEGES. U. S. Bill". 



Anim. Indus. Bull. 61, 124 pp., illus. 1904. 



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the score card in stock breeding. U. S. Bur. Anim. Indus. Bull. 76, 54 

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essentials of animal breeding. U. S. Dept. Agr. Farmers' Bull. 1167, 

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the art of livestock breeding. Cattleman 7 (10): 45-49. 1921. 



Salmon, D. E. (3963) 



animal breeding and feeding investigations by the bureau of animal 

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Sanders, J. H. (3964) 



the breeds of livestock, and the principles of heredity. 480 pp., 

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Sheets, E. W. (3965) 



livestock improvement. Inter- Amer. Conf. Agr., Forestrv and Anim. 

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Sheffy, L. F. (3966) 



history of pure breds in the southwest. Cattleman 14 (10): 66-71. 

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Shepperd, J. H. (3967) 



livestock judging contests. N. Dak. Agr. Expt. Sta. Bull. 157, 30 po., 

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Sisson, S. (3968) 



the anatomy of the domestic animals. Ed. 2, 930 pp., illus. Philadelphia 

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Smith, W. W. (3969) 



the elements of livestock judging. Rev., 147 pp., illus. Philadelphia. 

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United States Department of Agriculture. (3970) 



livestock breeding at the crossroads. U. S. Dept. Agr. Yearbook 

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Bureau of Animal Industry. (3970a) 



better sires — better stock. U. S. Bur. Anim. Indus. [Unnumbered Pub.], 

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Vaughn, H. W. (3971) 



types and market classes of live stock. Ed. 13, rev., 574 pp., illus. 

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breeds of livestock in America. 780 pp., illus. Columbus, Ohio. 1931. 



Walter, H. E. (3973) 



genetics. 272 pp., illus. New York, 1913. 

 Wentworth, E. N. * (3974) 



LIVESTOCK records of performance and their value to the meat in- 

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and Weimer, R. (3975) 



the relation of fairs to livestock improvement. Amer. Soc. Anim. 

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