Overview of Trip Resources
Here's help for trip planning, at the Arthur Frommer Budget Travel website: includes many organizations, publications, and tour operators.

Access-Able Travel Source
 A website with many useful sections: destinations, FAQ's, travel agents that plan tours with special needs, bulletin board... 

Cruise Ships Accessibility
Select a cruise line, and find out which ships are accessible. At the Access-Able Travel Source website.

Hotels
Practical and seasoned advice on finding hotel rooms, from the Access-Able Travel Source website.

Cruise Tips
Advice at the Access-Able Travel Source website.

Outdoor Vacations for People with Disabilities
A great page of suggestions, from GORP (Great Outdoors Recreation Pages.)

Travel Tips
The Access-able Travel Source website covers Traveling with Oxygen, finding a hotel room, airplane travel, and more.