Start with high-confidence history resources books, then narrow by subgenre or adjacent topics.
Life in a Medieval City
Frances Gies, Joseph Gies
The Penguin Book of Historic Speeches
Brian MacArthur
The Timetables of History
Bernard Grun, Eva Simpson
History
DK, D.K. Publishing
The Food History Reader
Ken Albala
The History Buff's Guide to World War II
Thomas R. Flagel
National Geographic Ultimate Visual History of the World
Jean-Pierre Isbouts
World War II
DK, Richard Holmes
Knights Templar Encyclopedia
Karen Ralls PhD, Karen Ralls
The Penguin History of the World
J. M. Roberts, Odd Arne Westad
A Short History of the World
H. G. Wells