One of the terms, "harsh realm", was used as the title of a science-fiction comic book and a short-lived 1999 television series based on it, and was used by characters in The Dirty Pair comics written and drawn by Adam Warren as part of their futuristic slang (where it had the same definition as the one Jasper created for the term).
Commonwealth realm | The Moon Is a Harsh Mistress | Beyond the Realm of Conscience | Realm of Kings | Harsh Realm | Defence of the Realm Act 1914 | Thea Realm Fighters | Realm of New Zealand | harsh realm | Great Seal of the Realm | Realm of Sweden | Ravenloft: Realm of Terror | Psycho Realm | Order of the Defender of the Realm | Lords of the Realm (1994, 1996, 2004) | Lords of the Realm | In the Realm of the Senses | Harsh Vardhan | Harsh Reality | Harsh Mander | Final Fantasy XIV: A Realm Reborn | Dharma Realm Buddhist Association | Dessau-Wörlitz Garden Realm | Chosen Realm | At the peak of his power, Ottokar II's realm stretched from the Krkonoše | A Clean Break: A New Strategy for Securing the Realm |