21. "Acta de la Segunda Sesión Trianual de la Comisión Ejecutiva Internacional del Congreso Medico Pan-Americano," pagina del titulo

22. "Árbol Cronológico Geográfico del Descubrimiento de las Américas"

23. Letter to Mariano Riva Palacio regarding the construction of the Monument to Cuauhtémoc

24. Letter to Juan de Arispe regarding Comanche raids

25. Map of Northeastern Mexico

26. "Construction of locks, Pedro Miguel, showing Canal Cut and monster Electric Cranes in Operation, Panama Canal"

27. "Lock Gates, Pedro Miguel, Panama Canal"

28. "Qualified Men in Atlantic Division"

29. Letter to John C. Calhoun regarding the United States and Mexico's confrontation over Texas

30. Photographs of the Corocito banana plantation and railroad

31. Photographs of President-elect Francisco I. Madero entering Cuernavaca and Zapatistas parading in the streets

32. "Woman Colonel and Captain—Zapata's Army"

33. Photographs of train guard and public services in Cuernavaca, Mexico during the Mexican Revolution