Gwen Wright of PBS's History Detectives speaks to Avery Clayton, son of Mayme Clayton, about his mother's collection of African-American history and memorabilia—the world's largest private collection on the topic.

Gwen Wright of PBS's History Detectives discusses resources for historical research, looking particularly at primary sources and their importance in historical research.

Wes Cowan of PBS's History Detectives discusses the work of experts who carry out tests to determine the authenticity and origin of artifacts investigated in the show.

Tukufu Zuberi of PBS's History Detectives gives tips on how to follow a trail of primary documents to uncover reliable historical information.

Tukufu Zuberi of PBS's History Detectives outlines methods for conducting genealogical research and finding primary sources on family history.

Gwen Wright of PBS's History Detectives looks at the popularity of historical reenactment and the particular appeal of Civil War reenactment.

Elyse Luray of PBS's History Detectives briefly introduces the New York Public Library and its extensive collection of historically-significant holdings from around the world.

Wes Cowan of PBS's History Detectives briefly describes the Freedom of Information Act and how to request records from government agencies.

Elyse Luray of PBS's History Detectives narrates a brief demonstration of thin section analysis, used to determine the mineral content of an historic artifact.