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formal operations

Overview page. Subjects: Psychology.

In the theory of cognitive development of the Swiss psychologist Jean Piaget (1896–1980), the developmental stage beginning at about 12 years when children become proficient in manipulating...

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Williams, George Washington

John Hope Franklin.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Protestantism and Protestant Churches; Military History; Warfare and Defence; Education; History; US Politics; State and Local Government. 1579 words.

Williams, George Washington (16 October 1849–02 August 1891), soldier, clergyman, legislator, and historian, was born in Bedford Springs, Pennsylvania, the son of Thomas Williams, a free...

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