First ladies: the ever-changing role, from Martha Washington to Melania Trump

Setting precedents: the first presidents' wives (1789-1829)

Young substitutes for first ladies (1829-1869)

Three exceptions: Sarah Childress Polk, Mary Todd Lincoln, and Julia Dent Grant

The limited promise of the "new woman" (1877-1901)

The office of first lady: a twentieth-century development

The paradoxical 1920s

Breaking precedents and reaffirming old ones (1933-1961)

The turbulent sixties

New dimensions to the job of first lady (1974-1993)

A new generation in the White House (1993-2017)

The ever-changing role of first lady.