PY Publication Year

(a limit field)

1998 in py

py=1995

py>1994

py=1997-1998

The PY field contains the publication year as it occurs in the source document. If the year is unknown, the phrase "Publication Date Unknown" is displayed. This field is range-searchable.

Browsing Publication Years

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