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From https://nationalpost.com/opinion/barbara-kay-wasted-tax-dollars-on-a-values-void-novel and https://arsenalpulp.com/Books/W/When-Everything-Feels-like-the-Movies
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From http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks/top10#2011
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From https://freedomtoread.ca/wp-content/uploads/35ChallengedPublications.pdf
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From https://www.freedomtoread.ca/challenged-works/and-tango-makes-three/
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From https://www.freedomtoread.ca/challenged-works/on-the-banks-of-plum-creek/
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From https://bannedbooksweek.org/11-challenged-and-banned-comics/
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From https://pen.org/literature-locked-up-banned-books-2019/
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From https://freedomtoread.ca/wp-content/uploads/35ChallengedPublications.pdf
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From https://bannedbooksweek.org/11-challenged-and-banned-comics/
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From https://www.freedomtoread.ca/challenged-works/the-golden-compass/
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From https://www.theguardian.com/books/2017/sep/25/banned-books-week-censorship-john-green-jillian-tamaki-comics-books
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From https://www.freedomtoread.ca/resources/challenges-to-canadian-publications-abroad/
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From http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks/top10#2018
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From https://www.freedomtoread.ca/challenged-works/the-harry-potter-series/
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From https://www.freedomtoread.ca/challenged-works/the-handmaids-tale/
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From https://www.freedomtoread.ca/resources/challenges-to-canadian-publications-abroad/
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From https://www.cbc.ca/books/banned-books-week-11-canadian-books-that-have-been-challenged-1.4311368
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From https://web.archive.org/web/20180603092037/http://www.bannedbooksweek.org/censorship/bannedbooksthatshapedamerica
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From https://www.ila.org/initiatives/banned-books-week/books-challenged-or-banned-in-2014-2015
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From http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks/top10#2010 and http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks/top10#2009
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From https://bbark.deepforestproductions.com/column/2014/05/04/banned-books-awareness-hop-on-pop/
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From http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks/top10#2018
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From https://www.theguardian.com/books/2017/sep/25/banned-books-week-censorship-john-green-jillian-tamaki-comics-books
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From http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks/top10#2013
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From https://www.freedomtoread.ca/challenged-works/contes-pour-buveurs-attardes/