"The Common Core Learning Standards describe the importance of teaching students how to comprehend informational text. They are asked to read closely, make inferences, cite evidence, analyze arguments and interpret words and phrases as they are used in a text. Primary source documents are artifacts created by individuals during a particular period in history. This could be a letter, speech, photograph or journal entry. If you're looking to integrate social studies into your literacy block, try out one of these resources for primary source documents."