Lexicon list authors:

pos-lex-strip.txt and neg-lex-strip.txt:
http://www.cs.uic.edu/~liub/FBS/sentiment-analysis.html

Minqing Hu and Bing Liu. "Mining and Summarizing Customer Reviews." 
Proceedings of the ACM SIGKDD International Conference on Knowledge 
Discovery and Data Mining (KDD-2004), Aug 22-25, 2004, Seattle, 
Washington, USA,
 
Bing Liu, Minqing Hu and Junsheng Cheng. "Opinion Observer: Analyzing 
and Comparing Opinions on the Web." Proceedings of the 14th 
International World Wide Web conference (WWW-2005), May 10-14, 
2005, Chiba, Japan.

angry-lex.txt, sad-lex.txt, worry-lex.txt
Joe McAlister - https://joemcalister.com
