In this view, the Martian, Venusian, and lunar-setting stories of Edgar Rice Burroughs would be planetary romances (and among the earliest), as would be Leigh Brackett's Burroughs-influenced Eric John Stark stories.
Dende este punto de vista, as historias marcianas, venusianas e lunares de Edgar Rice Burroughs serían planetary romances (e dos máis antigos), como serían as historias de Eric John Stark de Leigh Brackett con influencias de Burroughs.