Which source would best help a historian understand how the great Chicago fire effected families?

A primary source such as personal letters, diaries, or interviews from families affected by the Great Chicago Fire would best help a historian understand its impact on families. These accounts can provide intimate insights into the emotional and social consequences of the disaster, revealing how it disrupted lives, altered family structures, and influenced community dynamics. Additionally, newspaper articles from the time can offer context and broader societal reactions to the fire's effects on families.