CHART of IMPORTS and EXPORTS to and from ENGLAND
Exports and Imports of SCOTLAND from Christmas 1780-81
Air pollution in southern California
Area, population, tax revenue of european countries
Birth, death, and reign of English rulers (1660-1860)
CHART showing Price of Wheat & Wages (1565-1824)
collapse of bridge in 1840
Horse tracks at different paces
Life cycle of Japanese beetle
Lung cancer death rate by country
Man in black velvet photographed in stick-figure images
Napoleon's Russian Campaign (1812)
Outgoing mail of the U.S. House of Representatives
Starfish turning itself over
Undulations of the dorsal fin of a descending sea-horse
Variation in total US retail sales