Also known as M-81
Wikimedia-Begriffsklärungsseite
In the Vinony graph
Vinony's link graph records 1 inbound reference to M81, and connects out to Messier 81, McDonnell Douglas MD-80/MD-90 family and Woodland Pattern.
It is catalogued under the topic Letter–number combination disambiguation pages.
Vinony links it to 11 Wikipedia language editions.