Sphinx Vespiformis: An Essay
Sphere of the Never-Dead
The Sphere of Sleep
Le Speronare
Speranze e glorie; Le tre capitali: Torino, Firenze, Roma
Spenser's The Faerie Queene, Book I
The Spenders: A Tale of the Third Generation
Spencer's Philosophy of Science
The Spell of the Yukon and Other Verses
The Spell of the White Sturgeon
The Spell of the Rockies
The Spell of the Hawaiian Islands and the Philippines
The Spell of Scotland
The Spell of Japan
The Spell of Flanders
The Spell of Egypt