Here are some of her most notable works:

* Democracy and Social Ethics (1902): This book explores the ethical responsibilities of individuals in a democratic society, arguing that social progress requires active participation and engagement.

* Twenty Years at Hull-House (1910): A memoir of Addams's experiences at Hull House, a settlement house she founded in Chicago, which detailed her work with immigrants and the poor.

* The Spirit of Youth and the City Streets (1909): This book examines the challenges facing young people in urban environments and advocates for creating opportunities for their development.

* The Long Road of Woman's Memory (1916): This book reflects on the history of women's struggles and their evolving role in society.

Addams also wrote numerous articles and essays on topics related to social reform, peace, and international relations. Her work continues to be influential in fields such as sociology, social work, and peace studies.