| Phase of history. |
| Classic 1977 album pronounced like a continent |
| Classic cartoon character |
| Classic victim of hubris |
| Cryptography topics |
| Specialty ___ (topics one is an expert in) |
| Class for someone whose native tongue isn't widely spoken in the U.S., for short |
| History book chapters |
| A Footnote to History" author's inits. |
| Blocks of history |
| 1949 film classic |
| Some friend you are," more classically |
| Feature of Melvil Dewey's book classification system |
| Blood classification |
| ___ system (blood classification) |
| They can be felt in a classroom |
| Classroom basics |
| A long-established history |
| Classroom lectures |
| Grammar book topics |
| Class reunion attendees, for short |
| Intervals of history |
| Mime motivator, classically |
| Agenda topics |
| Swahili language classification |
| ___ & Allies (classic board game) |
| AKC classification |
| Belonging to the middle class |
| Classroom supplies |
| A notable period of history |