Columbia subject headings:
Germany--Court and courtiers.
Germany--Description and travel.
Rousseau, Jean-Jacques, 1712-1778.
Switzerland--Description and travel.
Voltaire, 1694-1778.
Harvard subject headings:
Germany--Court and courtiers.
Germany--Description and travel.
Rousseau, Jean-Jacques, 1712-1778
Switzerland--Description and travel.
Voltaire, 1694-1778
Princeton subject headings:
Germany--Court and courtiers.
Germany--Description and travel.
Rousseau, Jean-Jacques, 1712-1778.
Switzerland--Description and travel.
Voltaire, 1694-1778.