Articles:

L. R. Mattick, L. D. Weirs, and W. B. Robinson

The Effect of pH on the Precipitation of the Anthocyanins of Wine as Their Lead Salts
Am. J. Enol. Vitic. 1969 20: 206-212. [Abstract] [PDF]  

C. S. Ough

Ammonia Content of California Grapes
Am. J. Enol. Vitic. 1969 20: 213-220. [Abstract] [PDF]  

S. H. Kelly and B. J. Finkle

Action of a Ring-Cleaving Enzyme in Preventing Oxidative Darkening of Juices
Am. J. Enol. Vitic. 1969 20: 221-226. [Abstract] [PDF]  

G. L. Hill and A. Caputi, Jr.

The Determination of Sodium and Potassium in Wine by Atomic Absorption Spectrophotometry
Am. J. Enol. Vitic. 1969 20: 227-236. [Abstract] [PDF]  

P. May, N. J. Shaulis, and A. J. Antcliff

The Effect of Controlled Defoliation in the Sultana Vine
Am. J. Enol. Vitic. 1969 20: 237-250. [Abstract] [PDF]  

Abstracts and Reviews
Am. J. Enol. Vitic. 1969 20: 257-263. [PDF]  

Research Notes:

M. A. Amerine and C. S. Ough

Fermentation of Grapes Under Anaerobic Conditions. II. White Grapes: with Some Further Tests on Red Grapes
Am. J. Enol. Vitic. 1969 20: 251-253. [PDF]  

M. A. Amerine and C. S. Ough

Acidification of Grapes from Region IV
Am. J. Enol. Vitic. 1969 20: 254-256. [PDF]  

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