Sources edit
- https://archive.org/details/Computer_Gaming_World_Issue_37/page/n37/mode/2up?q=grigsby
- https://archive.org/stream/vgce_02/vgce_02#page/n79/mode/2up/search/issue
- https://archive.org/details/Computer_Play_1989-01_Computer_Play_Magazine_US/page/n19/mode/2up
- https://archive.org/stream/Current_Notes_1987-03/#page/n25/mode/2up
- https://archive.org/details/Current_Notes_1987-06/page/n43/mode/2up
- Review in Compute!
- Review in Antic
- Review in ANALOG Computing
- http://amr.abime.net/amr_search.php?search=warship&mag_id=0&action=Find