Date cards contain a date.
CD_024+Date
CD_037+pics start date
CD_037+Date
CD_038+pics start date
CD_025+Date
CD_038+Date
CD_026+Date
CD_039+pics start date
CD_039+Date
CD_001+Date
CD_043+pics start date
CD_043+Date
CD_040+pics start date
A1_Solar System+pics start date
CD_040+Date
A1_Solar System+pics end date
CD_026+pics start date
CD_025+pics start date
A3dot5_Group_Process+pics start date
A3dot5_Group_Process+pics end date