1936-present,
The official daily publication for rules, proposed rules, and notices of Federal agencies and organizations, as well as executive orders and other presidential documents.
Note: volumes for 1994- are also freely available to all users via GPO.

1938 to current.

The Federal Register is the chronological publication of proposed regulations, final regulations, and related materials. Search 1994 to current.

From govinfo.gov, the CFR annual edition is the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government.

The regularly updated online version of the CFR.