Encyclopedia Americana.．Volume 30，Index Encyclopedia Americana.．Volume 1，A to Anjou Encyclopedia Americana.．Volume 3，B to Birling Encyclopedia Americana.．Volume 25，Skin to Sumac Encyclopedia Americana.．Volume 14，Heart to India The Encyclopedia Americana．30，Index Encyclopedia Americana.．Volume 15，Indian to Jeffers Encyclopedia Americana.．Volume 18，M to Mexico City Encyclopedia Americana.．Volume 19，Meyer to Nauvoo Encyclopedia Americana.．Volume 20，Navajo to Opium