Final answer:
Journals and government documents can be categorized as primary sources, providing firsthand accounts of events or time periods.
Step-by-step explanation:
Journals and government documents can be categorized as primary sources. Primary sources include original documents, data, images, and other compositions that provide a firsthand account of an event or a time in history. Examples of journals include scientific journal articles, while government documents can include reports, pamphlets, catalogs, and newsletters published by the U.S. government.