Official authoritative standards of the Financial Accounting Standards Board, listed in the order of promulgation.

Codified version of Financial Accounting Standards Boards pronouncements, organized by topic and by industry

Authoritative literature of the American Institute of Certified Public Accountants, including the Code of Professional Conduct and the Statements of U.S. Auditing Standards.

Published annually by the AICPA, this volume provides recent examples of text used in financial statement disclosures of standard and circumstantial accounting practices, organized by financial statement and topic.

/by Steven M. Bragg. Basic principles of accounting rules and regulations, with detailed treatments of each major financial statement and required disclosures.

/by Roger Hussey and Audra Ong. Content of the international standards and commentary on their role and use in the international arena.

/Susan M. Klopper. Provides search strategies and suggested sources of all kinds of accounting research problems.

The AICPA is the national professional association for CPAs in the United States. It promulgates the profession's code of professional conduct and is the authoritative body that issues national standards for the conduct of audits.
 

GASB is the official body responsible for promulgating authoritative accounting standards for state and local governments in the United States.

The IASB is an international organization that "../is committed to developing, in the public interest, a single set of high quality, understandable and enforceable global accounting standards that require transparent and comparable information in general purpose financial statements."

A nice portal providing links to many key professional accounting sites.