Stopword lists for 23 languages from the Python NLTK library.
An object of class list
of length 23.
https://github.com/nltk/nltk_data/blob/gh-pages/packages/corpora/stopwords.zip
stopwords(language = "en", source = "nltk")
Bird, Steven, Edward Loper and Ewan Klein (2009). Natural Language Processing with Python. O'Reilly Media Inc.