"List of Revenue Cutters", WIRELESS TELEGRAPH STATIONS OF THE WORLD, INCLUDING SHORE STATIONS, MERCHANT VESSELS, U.S. REVENUE CUTTERS, AND VESSELS OF THE UNITED STATES NAVY. CORRECTED TO OCTOBER 1, 1910. U.S. DEPARTMENT OF THE NAVY. BUREAU OF STEAM ENGINEERING. WASHINGTON, D.C. U.S. GOVERNMENT PRINTING OFFICE : 1910, p. 59.
A Bear of a sea story, Coast Guard Compass: Official Blog of the U.S. Coast Guard, 12 February 2013. This article incorporates text from this source, which is in the public domain.
"1939-1941"(PDF). The Antarctic Sun. 28 November 2004. p. 11. Archived from the original(PDF) on 9 June 2010.