Citation reference BD = benchmark, declarative BP = benchmark, procedural BC = benchmark, contextual
1st letter/number of each code in parentheses: |
| A | NCHS: U.S. History, Expanded Edition |
| B | NCHS: Basic Edition |
| G | Gagnon: Historical Literacy |
| IH | International Baccalaureate: History |
| IU | International Baccalaureate: Humanities |
| K | NCHS: K-4 History, expanded edition |
| L | Lessons from History |
| SS | NCSS: Curriculum Standards for Social Studies |
| W | NCHS: World History, expanded edition |
2nd letter code : E = Explicitly stated in document I = Implicit in document
Number: Page number of the cited document |