The Earth and its Inhabitants

Africa

 * Volume 1: North-East Africa
 * Volume 2: North-West Africa
 * Volume 3: West Africa
 * Volume 4: South and East Africa

Asia

 * Volume 1: Asiatic Russia
 * Volume 2: East Asia
 * Volume 3: India and Indo-China
 * Volume 4: South Western Asia

North America

 * Volume 1: British North America
 * Volume 2: Mexico, Central America, West Indies
 * Volume 3: The United States

South America

 * Volume 1: The Andes Regions
 * Volume 2: Amazonia and La Plata

Europe

 * Volume 1: Greece, Turkey in Europe, Rumania, Servia, Montenegro, Italy, Spain, and Portugal
 * Volume 2: France and Switzerland
 * Volume 3: Austria-Hungary, Germany, Belgium, Netherlands
 * Volume 4: British Isles
 * Volume 5: North-east Atlantic, Islands of the North Atlantic, Scandinavia, European Islands of the Arctic Ocean, Russia in Europe

Oceania

 * /Oceania/: Oceania