The best way to search for a primary source for your topic is to identify a person or event in the time period you are interested and search for that.
UNTIL MAY 9 -- TRIAL DATABASE (password = trial)
The Making of the Modern World
An unprecedented collection of primary source documents that follows the development of the modern Western world from 1450-1914.
The Avalon Project 19th century documents
VICTORIAN TIMES (1837-1901)
Sources on the society, politics, and economy of 19th century Great Britain.