On the other hand, the white grapes used in the making of German sparkling wine, and which are almost exclusively of the far-famed riesling species, are treated precisely as when making still Rhine wine-that is, they are crushed in the vineyards by means of grape-mills, and afterwards pressed in the usual way.
"Facts About Champagne and Other Sparkling Wines"
Henry Vizetelly
The wine employed comes from vineyards in the vicinity of Heilbronn, and others in the Rheingau and the Grand Duchy of Baden, and is more or less a blend of the clevener, traminer, rulander, riesling, and elbling varieties of grape.
"Facts About Champagne and Other Sparkling Wines"
Henry Vizetelly
This method is used successfully for certain wine grapes such as riesling, Cabernet, and Semillon.
"Manual of American Grape-Growing"
U. P. Hedrick