History books are located within the following letter ranges:
D: History: General and Old World (Europe, Africa, Asia, Australia/Oceania)
E: History: America and U.S. in general
F: History: U.S. Local History, Caribbean, and Latin America
G-GN: Geography, Anthropology
HM-HX: Social Sciences (Sociology, Social History, Ideologies)
This is true regardless of location so books in Special Collections (1st floor), Reference (3rd floor) and Main Stacks (4th-5th floors) with these starting letters on the spine will relate to political science.
Use of WorldCat or HORNETCat will guide to books held by the Levi Watkins Learning Center. WorldCat will also guide you to books held by other libraries.
How to be evaluate books: Book reviews can help you decide whether a book is authoritative or not. They can also provide book summaries.
Here are a few books related to world history
(text & selections: NF)
History of the World Map by Map by 
Methods in World History: A Critical Approach by 