
Source: The Price of the Ticket: Collected Nonfiction, 1948-1985
Source: 1960s, The meaning of the twentieth century: the great transition, 1964, p. 7
Source: The Price of the Ticket: Collected Nonfiction, 1948-1985
"Human Equality Is a Contingent Fact of History", p. 186
The Flamingo's Smile (1985)
Book I, Chapter VII
Nicomachus of Gerasa: Introduction to Arithmetic (1926)
Source: The German Ideology (1845-1846), Volume I; Part 1; "Feuerbach. Opposition of the Materialist and Idealist Outlook"; Section A, "Idealism and Materialism".
p. 8 https://books.google.com/books?id=7VlHAQAAMAAJ&printsec=frontcover#v=snippet&q=regulate&f=false
Essays in Medical Sociology (1899)
“A politician divides mankind into two classes: tools and enemies.”
Source: Classification and indexing in science (1958), Other Chapters, p. 147 Cited in: Madeline M. Henderson (1966) Cooperation, convertibility, and compatibility among information systems: a literature review. p. 72.