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1894. The influence of cold on plants. A resume. In Exp. Sta. Record, 
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(2) Appleman, Chaeles O. 
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(3) Goppebt, H. R. 
1830. Ueber die Warme-Entwickelung in den Pflanzen, deren Gefrieren 
und die Schutzniittel gegen dasselbe. xiv, 272 p. Breslau. 
(4) Jones, L. R., Millee, M., and Bailey, E. 
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Bui. 46, 46 p., illus. Literature cited, p. 45-46. 
(5) Mullee. Herman, Thurgau. 
18S0-S6. Ueber das Gefrieren und Erfrieren der Pflanzen. In Landw. 
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(6) Sachs, Julius. 
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12, p. 1-50. 
<7) Yaugh an, R. E., and Miller, M. 
1919. Freezing injuries to potato tubers. Wis. Agr. Col. Ext. Serv. 
Circ. 120, 4 p., 3 fig. 
(8) Watch potatoes in storage and transit. In Potato Mag., v. 2, no. 7, p. 16. 
1920. 
<9) Wright, R. C, and Harvey, R. B. 
1921. The freezing point of potatoes as determined by the thermo- 
electric method. U. S. Dept. Agr. Bui. 895, 7 p., 1 fig. 
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