PT Publication Type

(a limit field)

p in pt

pt=p

The PT field contains one of two codes describing the record type: L for literature or P for patents. Search using the code.

Browsing Publication Types

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