bookHistorical sources provide insights into the ship, the accident, and the men. Read the Story of the Coast Survey Steamer Robert J. Walker (PDF).

Additional Resource:
Collision at Sea, NOAA Central Library
Robert J. Walker, Wikipedia
"Diving Deeper" podcast with Rear Admiral Gerd Glang, discussing today's relevance of the Walker disaster.
New York Herald article - Loss of the United States Steamer Walker - June 23 1860
New York Times article - Loss of the US Steamer Walker - June 23 1860