1. Gulls. (2019) Authors: Coulson, John (John C.) Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Gulls of Europe, Asia and North America. (2010 copyright 2010) Other Names: Olsen, Klaus Malling, 1955-; Larsson, Hans, 1976- Record Type: Book Extent: 1 online resource (608 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗