Letters reveal a great deal about the sender and recipient—their relationship, their opinions on particular matters—as well as overall historical context. Condolence letters do that and more. George Washington’s death resulted in a deluge of condolences to Martha, from family members, friends, organizations, acquaintances, and even strangers. Sending their regrets, these letters vary from brief notes to lengthy passages. As a research editor, it’s eye-opening to see the spectrum of emotions conveyed.