Morris, Dave (2000). «Jethro Tull, Progressive Rock and Thematic Approach». Cup of Wonder(en inglés). Archivado desde el original el 6 de abril de 2007. Consultado el 22 de mayo de 2014. «“Thick as a brick” is an English colloquialism meaning, roughly, “full of shit.” The concept album being titled Thick as a Brick is not only indicative of the album’s assertion that mainstream society is “full of shit,” but the critiques found in the album as well.»
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Morris, Dave (2000). «Jethro Tull, Progressive Rock and Thematic Approach». Cup of Wonder(en inglés). Archivado desde el original el 6 de abril de 2007. Consultado el 22 de mayo de 2014. «“Thick as a brick” is an English colloquialism meaning, roughly, “full of shit.” The concept album being titled Thick as a Brick is not only indicative of the album’s assertion that mainstream society is “full of shit,” but the critiques found in the album as well.»