In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Tower Hamlets like this:
TOWER-HAMLETS, a metropolitan parliamentary borough; constituted by the reform act of 1832, and then made conterminate with the Tower division of Ossulstone hundred; but reconstituted by the reform act of 1867, and then divided into two boroughs, Tower-Hamlets and Hackney. The borough, from 1832 till 1867, sent two members to parliament. Electors in 1833, 9,906; in 1863, 30,269.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Tower Hamlets has changed, please see our redistricted information for the modern district of Tower Hamlets. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Tower Hamlets and units named after it.
GB Historical GIS / University of Portsmouth, History of Tower Hamlets in Middlesex | Map and description, A Vision of Britain through Time.
Date accessed: 22nd May 2013
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