Falkenstein, Michelle, et al. "Jersey Footlights", The New York Times, June 1, 2003. Accessed December 25, 2007. "He won many commissions from sea captains, and may have made as many as 6,000 paintings in his lifetime, historians believe. As a painter of vessels, Jacobsen was the most prolific, and the cheapest, said Bob Foster, director of the Hoboken Historical Museum, which has a show of his paintings. The captains really loved his work. It was not a romanticized version – it was the way the ship really looked."
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Maddry, Larry. "Maritime Artist Finally Gets Brush with Success" (Webside ikke længere tilgængelig), The Virginian-Pilot, December 17, 1994. Accessed December 25, 2007. "That was understandable – the Danish-born American holds the distinction of being the most prolific of marine artists. Jacobsen documented thousands of sail and steam vessels that frequented New York Harbor between 1873 and 1919. It is believed that he painted more than 6,000 portraits."
