Man holding quipu from Guaman Poma, El primero nueva cor≤nica y buen gobierno, Rolena Adorno and John Murra edition, Siglo Veintiuno Editores, Mexico City. Used by permission.		RECORD-KEEPING WITHOUT WRITING ndean civilizations did not develop writing systems. Extensive records were maintained instead on quipu. The quipu was a length of cord held horizontally from which hung a variety of colored yarns on which were entered different kinds of knots of colored yarn. Quipu knots recorded census figures, tax data, and imperial history.				4 of 4   Physical Religious Social & Economic Artistic