USS Harder: WW2 submarine wreck found off Philippines - BBC.com
- USS Harder: WW2 submarine wreck found off Philippines BBC.com
- Legendary U.S. World War II submarine located 3,000 feet underwater off the Philippines CBS News
- WWII “Hit 'em HARDER” submarine wreck site confirmed DVIDS
- Wreck of America's most lethal World War II sub found near the Philippines Stars and Stripes
- Lost wreck of legendary WW2 submarine that sunk with 79 sailors after singlehandedly holding off Japanese... The Sun