PD Publication Date

(a limit field)

1990 in pd

pd=1990

The PD field contains the date(s) of publication of the test described in the record. Use this field to search for a particular date as shown in the examples above.

Browsing Publication Dates

As an alternative to searching with the field label, you can browse four-digit publication years or ranges and search for them directly from the Publication Date Field-Specific Index. This field-specific index contains only years and ranges drawn from the PD field, therefore, your search will always yield results. Search results display in the PD field.