Some vols. have title in French, German, Hungarian, or Latin.
The volumes in this series may also be classified as individual books, or as articles in other journals.
Links to some recent proceedings found here: http://int-ornith-union.org/?page_id=86
This image should be moved from the Custom Image field to the Image field. Save the full-sized image, edit the record, and add the saved image to the Image field.