| Term | Definition |
| The Puritan Age | 1620-1720 |
| Concerns of the Puritan Age | religion and survival |
| Writings of the Puritan Age | diaries, sermons, historical accounts, and poetry |
| The Age of Enlightenment | 1720-1820 |
| Concerns of the Age of Enlightenment | politics, human rights, and commerce |
| Writings of the Age of Enlightenment | philosophy, political documents, and speeches |
| The Romantic Age | 1820-1865 |
| Concerns of the Romantic Age | emotion, imagination, and intuition |
| Writings of the Romantic Age | poetry, short stories, novels, and philosophical essays |
| The Age of Realism | 1865-1895 |
| Concerns of the Age of Realism | life as it is, everyday people, events, language, places, and the Civil War |
| Writings of the Age of Realism | poetry, short stories, novels, and essays |
| The Age of Naturalism | 1895-1920 |
| Concerns of the Age of Naturalism | pessimism, and man as a victim |
| Writings of the Age of Naturalism | poetry, short stories, novels, essays, and nonfiction |
| The Age of Disillusionment | 1920-1945 |
| Concerns of the Age of Disillusionment | the results of WWI, the Great depression, despair, and WWII |
| Writings of the Age of Disillusionment | poetry, short stories, novels, essays, nonfiction, drama, and biographies |
| The Age of Anxiety | 1945-present |
| Concerns of the Age of Anxiety | loss of identity, nuclear war, and technology |
| Writings of the Age of Anxiety | poetry, short stories, novels, essays, nonfiction, drama, and biographies |