Glahder, C. M. & Nuttall, M. . (red.) (2005). Barnacle Goose. I M. . Nuttall (red.), Encyclopedia of the Arctic, Volume 1: A-F Index (s. 203-204). Frank Cass Publishers.
Glahder, C. M. & Nuttall, M. (red.) (2005). Ittoqqortoormiit (Scorebysund). I M. Nuttall (red.), Encyclopedia of the Arctic, Volume 2: G-N Index (s. 1027-1028). Frank Cass Publishers.
Glahder, C. M. & Nuttall, M. (red.) (2005). Pinkfooted Goose. I M. Nuttall (red.), Encyclopedia of the Arctic, Volume 3: O-Z Index (s. 1642-1643). Frank Cass Publishers.
Glahder, C. M. & Nuttall, M. (red.) (2005). White-fronted Goose. I M. Nuttall (red.), Encyclopedia of the Arctic, Volume 3: O-Z Index (s. 2183-2184). Frank Cass Publishers.