1. Handbill for Alexander von Humboldt's visit to Mexico City's College of Mining in 1803 Translated Title: Folleto de la visita de Alexander von Humboldt al Colegio de Minería en la Ciudad de México en 1803 Creator / Contributor: Ximeno y Planes, Rafael, 1759-1825 (artist / artista) and Salazar, [Unidentified] (lithographer / litógrafo) Date Created / Date Issued: 1803
