Features America's Part In The Allies Mastery Of The Air Flying In France Tales Of The British Air Service Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.
Features The Valley Of Ten Thousand Smokes National Geographic Society Explorations In The Katmai District Of Alaska Helping To Solve Our Allies' Food Problem Billions Of Barrels Of Oil Locked Up In Rocks
Features The Health And Morale Of America's Citizen Army Voyaging On The Volga Amid War And Revolution The Isle Of Frankincense A Unique Republic Where Smuggling Is An Industry
Features The Gem Of The Ocean: Our American Navy Forerunners Of Famine An Appeal To Members Of The National Geographic Society What Is It To Be An American?
Features National Geographic Society Map Of The Western Theatre Of War Smaller North American Mammals Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.
Features New York- Metropolist Of Mankind Under The Heel Of The Turk A Day In The Geographic Wards Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.
Features Ships For The Seven Seas Our Industrial Victory The War And Ocean Geography Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.
Features The Races Of Europe An Account Which Removes The Fadlock Of Technically From The Absorting Story Of The Mixture Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.
