Final answer:
Titles representing broad areas subject to Federal regulation can be found in the Code of Federal Regulations (CFR).
Step-by-step explanation:
The titles representing broad areas that are subject to Federal regulation can be found in the Code of Federal Regulations (CFR). The CFR contains the regulations and rules issued by executive and independent agencies that have been authorized by the federal government to regulate a wide range of areas. This includes topics such as worker safety, food safety, consumer protection, environmental protection, and more.