Title 3 of the Code of Federal Regulations (CFR) (The President) also includes the President's proclamations, executive orders, etc. Print copies are located in STROZIER, Documents GS4.108/2: for 1936/38-1976, 1978-2000, 2007, Index: 1936/1965 Consolidated Tables.
It is also available from the National Archives for 1997-present.
The Codification of Presidential Proclamations and Executive Orders are also available from the National Archives for 1945-1989.
Executive Orders and Other Presidential Documents: Sources and Explanations, compiled by the Law Librarians' Society of Washington, D.C. (LLSDC)
The Presidential Proclamations are also available from the American Presidency Project, from the present back to 1789.
Proclamations are also available in the Daily Compilation of Presidential Documents (formerly Weekly Compilation of Presidential Documents), both found on this page under Compilation of Presidential Documents.
Presidential Actions, including Proclamations, Executive Orders and Presidential Memoranda from the current Obama Administration are available on the White House site.
Also see the Websites column on this page for additional sources.