"The Janet Kear Union Medal". British Ornithologists' Union. 28 May 2019. Archived from the original on 10 September 2019. Retrieved 10 September 2019.
"Medals and awards". BOU. British Ornithologists' Union. Archived from the original on 18 December 2022. Retrieved 18 December 2022.
"The Janet Kear Union Medal". British Ornithologists' Union. 28 May 2019. Archived from the original on 10 September 2019. Retrieved 10 September 2019.
"Medals and awards". BOU. British Ornithologists' Union. Archived from the original on 18 December 2022. Retrieved 18 December 2022.