Columbia subject headings:
Holliger, Heinz. Glühende Rätsel.
Sachs, Nelly--Criticism and interpretation.
Sachs, Nelly. Glühende Rätsel.
Harvard subject headings:
Holliger, Heinz--Criticism and interpretation.
Holliger, Heinz. Glühende Rätsel.
Sachs, Nelly--Criticism and interpretation.
Sachs, Nelly. Glühende Rätsel.
Princeton subject headings:
Holliger, Heinz--Criticism and interpretation.
Holliger, Heinz. Glühende Rätsel.
Sachs, Nelly--Criticism and interpretation.
Sachs, Nelly. Glühende Rätsel.