(2009). Bering sea and strait pilot: West and north coasts of Alaska from cape Douglas to the Alaska-Canada boundary Aleutian islands and the north-east coas of Siberia from Mys Lopatka peninsula to vicinity of mys Yakan with off-lying islands. England: The United Kingdom Hydrographic Office.

Bering Sea and Strait Pilot: West and North Coasts of Alaska From Cape Douglas to the Alaska-Canada Boundary Aleutian Islands and the North-east Coas of Siberia From Mys Lopatka Peninsula to Vicinity of Mys Yakan With Off-lying Islands. England: The United Kingdom Hydrographic Office, 2009.

Bering Sea and Strait Pilot: West and North Coasts of Alaska From Cape Douglas to the Alaska-Canada Boundary Aleutian Islands and the North-east Coas of Siberia From Mys Lopatka Peninsula to Vicinity of Mys Yakan With Off-lying Islands. England: The United Kingdom Hydrographic Office, 2009.