Purdue Libraries have many government publications on consumers and consumer-related issues. These publications can be found in libraries such as HSSE and Parrish Management & Economics (PMEL). Subject headings you can use to search for government publications dealing with consumer-related issues in the Library Catalog include:
The principal index for U.S. Government Publications is the Catalog of Government Publications covering U.S. Government Publications from 1976-present and its print counterpart is Monthly Catalog of U.S. Government Publications HSSE Periodicals HSSE 016.353 UN36. The Congressional Information Service (CIS) Index HSSE 328.73005 C76 is an excellent source for finding recent congressional publications. Information on downloading Purdue Libraries ebooks can be found here.