Encyclopedia of the Renaissance by 
Encyclopedia of the Enlightenment by 
Women and Gender in Medieval Europe: An Encyclopedia
The Historical Atlas of the British Isles by 
Encyclopedia of the Gilded Age and Progressive Era by 
Women in the Middle Ages: An Encyclopedia
New Dictionary of the History of Ideas by 
Encyclopedia of European Social History by 
Encyclopedia of the Romantic Era, 1760-1850 by 
The Oxford Companion to Western Art by 
An Oxford Companion to the Romantic Age
The Oxford Companion to English Literature
The Oxford Companion to Shakespeare
