At least some portion of these journals is available for free electronically--possibly not the full-text, tho.
Journal of Vocational Rehabilitation '99-1 year ago
Archives of Physical Medicine & Rehabilitation '95 - present
Australian Journal of Rehabilitation Counseling 6/96-present
Psychiatric Rehabilitation Journal 6/95-1 year ago
Rehabilitation Psychology '85-present
Disability and Rehabilitation '99-present