Of celestial cities and of the Kalpas; the art of war, different kinds of nations and the languages and the manners of the people.
पुराणां चैव दिव्यानां कल्पानां युद्धकौशलम्। वाक्यजातिविशेषाश्च लोकयात्राक्रमश्च यः॥