Defining First-/Second-/and Third-Order Documents

First-Order - The most essential primary source for the teacher on a particular topic in history.

Second-Order - Three to five primary or secondary sources that challenge or corroborate the central idea in the First-Order document. These documents, selected by the teacher, provide a nuanced understanding of the topic by offering multiple perspectives.

Third-Order - Additional primary or secondary sources that students find to challenge or corroborate the First-Order document. Ultimately, students should select a Third-Order document to serve as their First-Order document.

- Frederick D. Drake -

Defining a Primary Source

A direct record left behind from the period or by the people who are the subject of the historian's study. It may be a document in print (e.g. letter, diary, speech, official correspondence, newspaper or magazine article); an image (e.g. photograph, painting, political cartoon, map, chart, graph); broadcast media (e.g. movie or television show clip, radio broadcast); or artifact (e.g. tool, apparatus).

Defining a Secondary Source

Books, essays, and articles historians write that are accounts of a period or a topic after an event has taken place. It is a synthesis of research, based on primary sources, and creativity that offers a narrative of the subject studied by the historian. Depending on the focus of a particular study, a secondary source can serve as a primary source. For example: while a textbook is typically considered a secondary source, a work such as David Saville Muzzey's History of the American People (1927) becomes a primary source when studying textbooks written in the 1920s.


Deliberative Discussion

Deliberative discussion is both a method and means. Deliberative discussion is a method for establishing the credibility of historical evidence and arguments. Deliberative discussion is a means to develop historical understanding in students. Deliberation involves teachers and students in careful examination and extended discussion starting with a seminal (First-Order) document, the teacher and students discuss the central issues and ideas in the primary source. The teacher ask students to suspend judgments about past issues and points of view while trying to understand the context of the document. The teacher than introduces additional related (Second-Order) documents so students have a richer contextual understanding of the period. Students are invited to find other (Third-Order) documents that more fully illuminate their inquiries into the past. This kind of inquiry offers students opportunities to understand ongoing ideas and issues in history.

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Last updated on December 10, 2003
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