Perkins Library has many reference books on various subjects. They are worth a trip to the library in order to get a concise, authoritative overview of your History topic as you begin your research. This list represents just a sampling of the many print reference books available in the Library. Search the library's catalog, or browse the C through F section of the Reference collection to find more history reference books.
Encyclopedia of rural America : the land and people by 
Encyclopedia of the Vietnam War : a political, social, and military history by 
This Is Who We Were: in The 1940s (1940-1949) by 
Reference Library of Black America by 
A History of Women in the United States by 
United States Naval Aviation, 1910-1995 by Of course, you might need to think outside of the history box to find the necessary sources for your research. The Library has many reference books in a multitude of subject areas. Some will be found in the Reference collection, while others have been put in the main collection on the lower level. You will also find many reference books online, especially those in the Gale Ebooks collection mentioned above, but there are a few in the EBSCO eBook collection and the ProQuest's Academic Complete collection.