- This field contains the historical or prehistorical period or the non-numeric chronological data associated with the object. It may also contain data identifying a century or part of a century.
- Enter chronological data that cannot be entered in the dating fields.
- This field is used in conjunction with the Culture field, if you use it to enter non-numeric chronological data.
An Egyptian vessel produced during the 18th Dynasty
| || Object Name||vessel|
- This field may also contain data identifying a century or part of a century.
A Canadian armoire dating from 1880
| || Object Name|| armoire|
|Period|| 4th quarter of the 19th century|
| || Culture||Canadian|
- For better search results in your database, avoid using a large variety of terms; draw up an authority list and add keywords as necessary.
- If you use this field to enter non-numeric chronological data, enter the keyword describing the period in which it was produced.
A Chinese vase produced in the Neolithic period
| || Object Name||vase|
| || Culture|| Chinese|
- You may wish to enter the name of a period within a broader period. Enter the generic name followed by a comma, space and the specific name.
| || Object Name|| cup|
|Period|| Bronze Age, Mycenian|
| || Culture|| Greek|
- For more precision concerning data identifying a century or part of a century, you may enter the information as follows:
- If you are unsure whether your information is correct, include a space and a question mark after the period name.
| || Object Name||sculpture|
|Period|| Renaissance ?|
| || Culture|| Italian|
- This field may contain multiple entries separated by a semicolon followed by a space.
| || Object Name|| piece of cloth|
|Period|| Edo; 17th century|
| || Culture||Japanese|