Columbia subject headings:
Harvard subject headings:
Geissler, Ewald, 1880-
Linguistics--Research--Germany--Halle an der Saale--History--20th century.
Martin-Luther-Universität Halle-Wittenberg--Research--History--20th century.
Oral communication--Research--Germany--Halle an der Saale--History--20th century.
Phonetics--Research--Germany--Halle an der Saale--History--20th century.
Wittsack, Richard.
Princeton subject headings:
Geissler, Ewald, 1880-
Linguistics--Research--Germany--Halle an der Saale--History--20th century.
Martin-Luther-Universität Halle-Wittenberg--Research--History--20th century.
Oral communication--Research--Germany--Halle an der Saale--History--20th century.
Phonetics--Research--Germany--Halle an der Saale--History--20th century.
Wittsack, Richard.