Thesaurus

Refers to the group of studies or branches of knowledge concerned with facts and phenomena of the observable or quantifiable world, systematically arranged and showing the operation of general laws.

Objects

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Woman pouring a bucket of water over another woman, Plate 408

1887

Helicopter during Takeoff, New Jersey

1949

Russian woman using an abacus to calculate numbers in business

1941

Rising Dove

1935

Nurses Writing

c. 1910 - 1917

Ptelea trifoliata [Wafer ash]

c. 1845