The Grapes of Wrath

The individual or group credited with creating the main content of a product, such as a book, film, or other creative work. The value is a free‑text string representing the name(s) of the primary creator.

The calendar year in which the product was first published or released, expressed as a four‑digit number (e.g., 2018). This value indicates when the content became publicly available and can be used to filter or sort items by publication era.

The name of the entity that publishes or distributes the product, such as a book, magazine, or other media item.