1. Reading, readability and legibility research: implications for notification letters Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Zimmerman, Donald E. (author) Format: Journal article Publication Date: 1993 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 190 Document Number: D02351 Journal Title: American Journal of Industrial Medicine Journal Title Details: 23 : 61-69