Figure 7.1 shows that in the CIIDH database, most of the information for human rights violations prior to 1977 comes from press sources. ... Approximately 10,890 cases were coded from the newspapers. Sixty-three percent of the press cases were taken from Prensa Libre, 10 percent from El Gráfico, 8 percent from La Hora and El Impacto respectively, and 6 percent from El Imparcial.