The Federal Trade Commission (FTC) was established in 1914. It enforces laws relating to anticompetitiveness, unfair and deceptive trade practices, and other consumer protection laws.
Government Documents has a large collection of fTC publications, including the following series:
Annual report (FT 1.1:) Describes investigations and laws relating to consumer protection
FTC decisions (FT 1.11:) Reports of decisions, findings, orders, and stipulations
Consumer alerts (FT 1.32/4:)
In addition, we have general publications, statistical reports, and Congressional hearings and reports relating to the FTC and consumer protection.