Many essays pertaining to Theodore Roosevelt and his times have been published on the Gilder Lehrman Institute website and in History Now, the online journal of the Gilder Lehrman Institute. Selected essays are available here, to provide historical perspective for teachers, students, and general readers.

The first two essays are open to everyone for free. The rest of the essays are available by subscription to History Resources (free for K–12 teachers and students in the free Gilder Lehrman Affiliate School Program; to join visit this page: Affiliate School Program).