Jump to: Preparation Procedure Evaluation An analysis of leisure time activity in the early 20th century. After completing the introductory lesson using photographs as primary sources, students compile their own albums based on a thesis statement about life in the 20th century. Objectives After completing this lesson, students will be able to: analyze documents, records, and data (such as artifacts, diaries, letters, photographs, journals, newspapers, historical accounts, etc.); formulate histor