Columbia subject headings:
Zeerleder, Theodor, 1820-1868.
Harvard subject headings:
Zeerleder, Theodor, 1820-1868--Criticism and interpretation.
Zeerleder, Theodor, 1820-1868--Travel.
Princeton subject headings:
Zeerleder, Theodor, 1820-1868--Criticism and interpretation.
Zeerleder, Theodor, 1820-1868--Travel.