B0888. John R. Bennett & Wilhelm Wimmer. Voices of the Past, Vol.VII - The 1898-1925 German Catalogues of The Gramophone Co. Ltd. Deutsche Grammophon A.G. Lingfield, England, Oakwood Press, 1967. 404pp. Index; DJ.
"John Reginald Bennett’s compendium, VOICES OF THE PAST, is a major reference to English, Italian, French, German, and Russian vocal recordings between 1898 and 1925. These volumes, encompassing more than 25,000 vocal recordings."
- Z. D. Akron