Oils - Petroleum and Vegetable Oils, 1915
A map showing world petroleum & vegetable oil production, sorted by continent....

Copper & Tin, 1915
A map showing world copper & tin production, sorted by continent....

Diamonds and Precious Stones, 1915
A map showing world diamond & precious stones production, sorted by continent....

Pearls, 1915
A map showing world pearl production, sorted by continent....

Important Animals and Major Crops of the World, 1915
Two German World maps from 1915 showing natural habitat regions for various "important" animals and useful plants. The upper map (wichtiger Tiere — important animals) is color–coded to show the regions of Renntier (Reindeer), Ka...

Average Temperature and Rainfall; Vegetation Regimes and Ocean Currents , 1915
Two German World maps from 1915 showing average temperature and rainfall distribution in the upper map and vegetation regimes and ocean currents in the lower map. The upper map is color–coded to show the mean annual rainfall given in centimeter...

Races and Religions of the World, 1915
World maps showing ethnic, racial, and religious regions per late nineteenth century German perspective. Also included are German missions and missionary sites. ...

Prevailing Westerlies and Trade Winds, 1916
A map of the world from 1916, showing prevailing Westerlies and Trade Wind systems. "Since the earth's surface is warmer in the equatorial regions than it is in the temperate or polar regions, the air is expanded and its upper parts flow off to ...

Coffee Production, 1916
A world map from1916 showing the principal coffee–producing regions of the world at the time. "Coffee, like cotton, is raised in warm countries. The plant is said to have derived its name from Kaffa, in Abyssinia, but it was first extensiv...

Ocean Currents, 1916
A world map from 1916 showing the major ocean currents and eddies of the earth, indicating the direction of flow and whether the current is warm or cold. Currents shown include the Equatorials, Japan, California, Peruvian, Labrador, Guinea, Brazilian...