To search books and primary source materials, try adding to your search keywords, terms that suggest primary source material: sources, chronicles, papers, memoirs, diary, letters, documents, correspondence, photograph, travel, or ethnography
Search in Classic Catalog by call number or subject. You can also walk to first floor shelves and browse. Books with similar subjects are shelved together. For example, books with the subject "Crusades" are shelved at D 157.
Suggested call numbers for browsing on the shelves or search in Classic Catalog:
Try these Subject examples in Classic Catalog:
You can find more Library of Congress Subject headings at
http://www.loc.gov/catdir/cpso/lcco/
Select Class D thru DR for World History and History of Europe, including individual countries