1. Word frequency book;Carroll,1971
2. Roundtable review;Coombs;Research in the Teaching of English,1969
3. Computer-aided description of mature word choices in writing;Finn,1977
4. Semantic differential profiles for 1000 most frequent English words;Heise;Psychological Monographs: General and Applied,1965
5. Computational text analysis for predicting holistic writing scores;Hellwig,1990