The Code of Massachusetts Regulations (CMR) is available online at the web site for the Massachusetts Court System.
The NU Law Library provides a print copy of the Regulations. Law Stacks KFM2435 1986 .A43 The Law Library also has historical microfiche compilations of the CMR.
The RegInfo site offers a gateway to federal regulatory activity. Highlights include links to:
Regulations.gov allows members of the public to review and comment on proposed federal regulations.
The RegMap offers a graphic overview of the entire federal regulatory process.