Atlas Shrugged on Robin Hood: “"He died many centuries ago, but until the last trace of him is wiped out of men's minds, we will not have a decent world to live in." "What man?" "Robin Hood."”
We the Living on The ABC of Communism: “She had copied her thesis, barely changing the words, from the "ABC of Communism," a book whose study was compulsory in every school in the country.”
The Art of Nonfiction on How to Think Creatively: “There is a good book by Eliot Hutchinson entitled How to Think Creatively, in which he discusses the squirms in great detail.”
The Art of Nonfiction on East Minus West Equals Zero: “There is a good book that has two different titles, East Minus West Equals Zero in the American edition, and Are the Russians Ten Feet Tall? [in another edition]”
The Art of Fiction on Arrowsmith: “"Take the description of a doctor's office in the first chapter of Sinclair Lewis's Arrowsmith..." — extensively quoted and analyzed throughout, including a full excerpt ("From Arrowsmith by Sinclair Lewis").”
The Art of Fiction on Nineteen Eighty-Four: “...as, for instance, Atlas Shrugged and Anthem, Orwell's Nineteen Eighty-four, and a whole string of older books.”