Oscar Wilde, De Profundis, 

http://www.dominiopublico.gov.br/download/texto/ph000457.pdf 

Virginia Wolf, On Being Ill (in The Moment and Other Essays),  

http://gutenberg.net.au/ebooks15/1500221h.html

Richard C. Hall et al., Physical Illness Presenting as Psychiatric Disease, 

http://jeffreydachmd.com/wp-content/uploads/2014/04/Physical_Illness_Presenting_Psychiatric_Disease_Richard_Hall_Arch_Gen_Psych_1978.pdf

Noam Chomsky and CJ Polychroniou, Trump’s America and the New World Order, 

http://www.truth-out.org/news/item/39004-trump-s-america-and-the-new-world-order-a-conversation-with-noam-chomsky

With Trump Election, We Are Now Facing Threats to the Survival of the Human Species, by Noam Chomsky, 

https://www.democracynow.org/2017/1/2/noam_chomsky_with_trump_election_we

Ruth Richards, A New Aesthetic for Environmental Awareness, 

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.462.7155&rep=rep1&type=pdf

Ruth Richards, Everyday Creativity, 

https://www.researchgate.net/profile/Ruth_Richards2/publication/285854532_Everyday_creativity_Process_and_way_of_life-Four_key_issues/links/5705ac0708ae13eb88b97b5f.pdf

What the author says on p. 197 regarding bipolar disorders is highly questionable.

Thomas Moore, Dark Nights of the Soul, 

https://www.amazon.co.uk/Dark-Nights-Soul-finding-through/dp/0749942037/ref=sr_1_1?s=books&ie=UTF8&qid=1489950817&sr=1-1&keywords=Thomas+Moore%2C+Dark+Nights+of+the+Soul

Moore refers to himself as a spiritual teacher, but not with a lot of justification (for reasons that will be explained in the future). In other words, there are some significant problems in his texts, most of which have to do with very subtly expressed prejudices against a certain group of people.