For books held in the Tri-College libraries, use TRIPOD Books & More to conduct either a relevant:
To find books not held in the Tri-College libraries, use WorldCat, which searches library catalogs from all over the United States and the world.
Some sample searches:
E.g., skepticism AND "english literature" AND ("18th century")
wom?n AND "eighteenth-century europe"
E.g., Burney, Fanny, 1752-184—Criticism and interpretation