31. Mission San Francisco de la Espada, field notes, north one-half of fortified west entrance, preliminary sketch
37. Mission San Francisco de la Espada: field notes, north one-half of fortified west entrance, gateway and fighting tower, preliminary sketch
38. Mission San Francisco de la Espada: field notes, north one-half of fortified west entrance, preliminary measured sketch
39. Mission San Francisco de la Espada: field notes, north one-half of fortified west entrance, preliminary measured sketch