Hometown Cruise Ship Ruby Princess Debuts at Port of San Francisco | Ships Monthly
Emerald Princess Itinerary, Current Position, Ship Review | CruiseMapper
Princess Cruises: Eight Ships Now in Service in North America - Cruise Industry News | Cruise News
Track Ruby Princess Current Position / Location - Ruby Princess Cruise Ship Tracker - Princess Cruises - Cruising Earth
Storm in a port: The unfolding disaster of the Ruby Princess: The system breakdowns onboard and onshore that led to the docking of the coronavirus cruise ship | The Monthly
Why the Philippines is a magnet for idled cruise ships | The Economist