Claes Oldenburg, International Council of the Museum of Modern Art (New York, N.Y.), Tate Gallery (1970). “Claes Oldenburg: an exhibition organized by the Museum of Modern Art, New York, under the auspices of the International Council of the Museum, the Tate Gallery, London 24 June - 16th August 1970”
Sir Charles Lyell (1837). “Principles of Geology: Being an Inquiry how Far the Former Changes of the Earth's Surface are Referable to Causes Now in Operation”, p.305
William Shakespeare (2012). “Comedies of Shakespeare in Plain and Simple English (a Modern Translation and the Original Version)”, p.1131, BookCaps Study Guides