Scarff, James E. “Preliminary Estimates of Whaling-Induced Mortality in the 19th Century North Pacific Right Whale (Eubalaena Japonicus) Fishery, Adjusting for Struck-But-Lost Whales and Non-American Whaling”. J. Cetacean Res. Manage. (October 30, 2020): 261–268. Accessed June 4, 2023. https://journal.iwc.int/index.php/jcrm/article/view/282.