2021 · 非游戏书籍（但与角色扮演游戏相关）
Intellectual Property in RPGs
This guide introduces the basics of U.S. intellectual property law as it applies to roleplaying games. It explains copyrights, trademarks, and patents, then examines pre-existing material that creators can use in their own work, including stock characters and publicly licensed content.
阅读（用于期刊、冒险书等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Intellectual Property in RPGs
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。