Search Discover for book-length works on British History. Helpful subject keywords to combine are Great Britain history along with Early Modern, Renaissance, Elizabethan, Jacobean, 16th century, or 17th century.
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Early English Books Online (EEBO) contains digital facsimile page images of virtually every work printed in England, Ireland, Scotland, Wales and British North America and works in English printed elsewhere from 1473-1700.
Actually four projects from the University of Victoria: "a digital Map and gazetteer based on the 1560s Agas woodcut map of London; an Encyclopedia of London people, places, topics, and terms; a Library of marked-up texts rich in London toponyms; and a versioned edition of John Stow’s Survey of London."
Joint project of De Montfort University and the Victoria and Albert Museum aimed at increasing public awareness of the known sites of London theaters that existed in Shakespeare's time. Includes " a map, a printed ShaLT Guide, interactive software, public talks, and downloadable short films that will enable the public to travel to the modern London locations of these theatres and learn about them."
All Things Shakespeare by 
The Oxford Companion to British History by 
The A to Z of Elizabethan London by 
Atlas of Early Modern Britain, 1485-1715 by 
