1. 1995 State program report for Titles III and VII of the Older Americans Act;Administration on Aging,1995
2. Infrastructure of home and community based services for the functionally impaired elderly – State source book;Administration on Aging,1995
3. 1996 State program report for Titles III and VII of the Older Americans Act;Administration on Aging,1996
4. Missing data. Sage university papers series on quantitative applications in the social sciences, 07–136;Allison,2002