harpoon gun Canadian Museum of History
Visiting Newfoundland's Historic Cape Spear - Landsby
spontoon Canadian War Museum
Cape Spear Battery – St. John's, Newfoundland and Labrador - Atlas Obscura
Shoulder Harpoon Gun - Cast Iron C.C. Brand Shoulder Harpoon Gun, circa 1860 - Rafael Osona Auctions Nantucket, MA
Whaling harpoon hi-res stock photography and images - Alamy
Harpoon Collection of Photo Prints and Gifts
Artillery in Canada (10) Newfoundland and Labrador: Cape Spear, Cape Little, Carbonear, Catalina, Centreville-Wareham-Trinity, Clarenville, Corner Brook, Cupids, Ferryland, Grand Falls-Windsor, and Greenspond
The First Guns: How Gunpowder Overcame the Sword
File:Harpoon gun - Tokyo University of Marine Science and Technology - DSC00891.JPG - Wikimedia Commons
Rifles, Machine Guns, Mortars and Rocket Launchers, New Brunswick Military History Museum (NBMHM)
Harpoon gun - Alaska State Library-Historical Collections - Alaska's Digital Archives
Civilization.ca - Lifelines - Swales and Whales: Atlantic Canada's Sea Mammal Harvest