Here are some websites with general information and resources on advance directives. 

American Association of Retired Persons
Provides information on advance directives and includes information on where the AARP stands on end-of-life issues. Links to other sites are also provided.

Advance Care Planning: A Practical Guide for Physicians
This publication, available for purchase from the AMA Press,  helps health care providers structure and facilitate conversations on advance care planning.

Partnership for Caring
Many useful resources, including forms for each state and a number of links to other sites. There is a detailed description of many issues relating to end-of-life decisions, from euthanasia to health care proxies. Publications and videotapes can also be ordered from this site.

Growth House, Inc.
A gateway to resources for life-threatening illness and end-of-life care.

Hospice Federation of Massachusetts
Information on hospice care, decision-making tools, and a hospice locator.

On Our Own Terms: Moyers on Dying
Provides end-of-life tools, resources, and care options. Learn about solutions for finding a better death and explore the options for humane care for the dying.