Columbia subject headings:
Dominik, Hans, 1872-1945--Criticism and interpretation.
Lasswitz, Kurd, 1848-1910--Criticism and interpretation.
Science fiction, German--History and criticism.
Harvard subject headings:
Dominik, Hans Joachim, 1872-1946--Criticism and interpretation.
Dominik, Hans, 1872-1945--Criticism and interpretation.
Lasswitz, Kurd, 1848-1910--Criticism and interpretation.
Science fiction, German--History and criticism.
Princeton subject headings:
Dominik, Hans, 1872-1945--Criticism and interpretation.
Lasswitz, Kurd, 1848-1910--Criticism and interpretation.
Science fiction, German--History and criticism.