Attribution-Share Alike 4.0 truetrue English Illustration on the first issue of 'LA FELPA.' "CRIMES OF THE PUTUMAYO: FLAGELLATIONS, MUTILATIONS, TARGET PRACTICE,
published by the ‘La Felpa’ newspaper in 1908. Spanish Ilustración del barón del caucho Julio César Arana, publicada por el periódico "La Felpa" en 1908.