http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Grundlegenden Texte von Ludwig Wittgenstein. English
Gerd Brand ; translated and with an introd. by Robert E. Innis.
Translation of Die grundlegenden Texte von Ludwig Wittgenstein.
Includes bibliographical references and index.