Links:

1. FONOP in Vain: The Legal Logics of a U.S. Navy FONOP in the Canadian or Russian Arctic, by Cornell Overfield, Arctic Yearbook, 2021

2. The "Polar Sea" Voyage and the Northwest Passage Dispute, by Philip J. Briggs, Armed Forces & Society, Vol. 16, No. 3, Spring 1990.

3. Could a Kiwi Sailor's Northwest Passage Transit Break the Legal Ice Between Canada and the US?, by Cornell Overfield, lawfareblog, September 25, 1990.  

4. The forgotten cruise of the SS Manhattan, by Jim Coogan, Cape Cod Times, September 1, 2009.