11. Development digest; prepared by National Planning Association, [Patricia W. Blair, editor]. Bookmark SuDoc number: S 18.33: (v.nos.&nos.)
12. Development digest; prepared by National Planning Association, [William I. Jones, editor]. Bookmark SuDoc number: S 18.33: (v.nos.&nos.)
13. Development research digest, journal of selected excerpts, summaries and reprints of current materials on economic and social development; prepared by National Planning Association, Frances M. Gelger, editor. Bookmark SuDoc number: S 18.33:(v.nos.&nos.)