Duffield, John William
Alphabetical Checklist
Series – Don Sturdy
- Don Sturdy Across the North Pole; Or, Cast Away in the Land of Ice (New York: Grosset and Dunlap, 1925) as by Victor Appleton
- Don Sturdy Among the Gorillas; Or, Adrift in the Great Jungle (New York: Grosset and Dunlap, 1927) as by Victor Appleton
- Don Sturdy Captured by Headhunters; Or, Adrift in the Wilds of Borneo (New York: Grosset and Dunlap, 1928) as by Victor Appleton
- Don Sturdy in Lion Land; Or, the Strange Clearing in the Jungle (New York: Grosset and Dunlap, 1929) as by Victor Appleton
- Don Sturdy in the Land of Volcanoes; Or, the Trail of the Ten Thousand Smokes (New York: Grosset and Dunlap, 1925) as by Victor Appleton
- Don Sturdy in the Land of the Giants; Or, Captives of the Savage Patagonians (New York: Grosset and Dunlap, 1930)
- Don Sturdy in the Port of Lost Ships; Or, Adrift in the Sargasso Sea (New York: Grosset and Dunlap, 1926) as by Victor Appleton
- Don Sturdy in the Temples of Fear; Or, Destined for a Strange Sacrifice (New York: Grosset and Dunlap, 1932) as by Victor Appleton
- Don Sturdy in the Tombs of Gold; Or, the Old Egyptian's Great Secret (New York: Grosset and Dunlap, 1925) as by Victor Appleton
- Don Sturdy Lost in Glacier Bay; Or, the Mystery of the Moving Totem Poles (New York: Grosset and Dunlap, 1933) as by Victor Appleton
- Don Sturdy on the Desert of Mystery; Or, Autoing in the Land of the Caravans (New York: Grosset and Dunlap, 1925) as by Victor Appleton
- Don Sturdy on the Ocean Bottom; Or, the Strange Cruise of the Phantom (New York: Grosset and Dunlap, 1931) as by Victor Appleton
- Don Sturdy Trapped in the Flaming Wilderness; Or, Unearthing Secrets in Central Asia (New York: Grosset and Dunlap, 1934) as by Victor Appleton
- Don Sturdy with the Big Snake Hunters; Or, Lost in the Jungles of the Amazon (New York: Grosset and Dunlap, 1925) as by Victor Appleton
- Don Sturdy with the Harpoon Hunters; Or, the Strange Cruise of the Whaling Ship (New York: Grosset and Dunlap, 1935) as by Victor Appleton