http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
correspondence between Richard Strauss and Hugo von Hofmannsthal
translated by Hanns Hammelmann and Ewald Osers ; introd. by Edward Sackville-West.
Reprint of the edition published by Collins, London.
Includes bibliographical references and index.