Here are some key points:
* The Rambler: One of his most famous works, Johnson wrote and published this literary magazine himself from 1750 to 1752.
* The Idler: This was another periodical he wrote for, publishing it from 1758 to 1760.
* The Gentleman's Magazine: Johnson was a regular contributor to this long-running publication, writing essays, reviews, and other content.
* Other publications: He also wrote for newspapers like The London Chronicle, The Universal Chronicle, and The Literary Magazine, as well as for The Adventurer, another popular periodical.
Johnson's periodical essays were known for their wit, wisdom, and insightful commentary on a wide range of subjects, from literature and philosophy to everyday life and social issues. They helped to establish him as a leading literary figure of his time and contributed to the development of the essay form.