| Front | What was the Freedom Summer of 1964? |
| Back | Rush to register tons of blacks to vote. The KKK killed three volunteers. Raised the question of how far will people fight? Martin Luther King Jr. starts his marches. |
| Tags | extra |
| Front | Who were the National Liberation Front? |
| Back | They were the Vietcong in North Vietnam. |
| Tags | extra |
| Front | What is ecology? |
| Back | The study of interrelationships within the natural world |
| Tags | extra |