[15] During his lifetime King had assembled a large collection of British insects (c.500,000 specimens[4]), bird's eggs and natural history books.
[16][17][18] Another oil portrait sketch of King by John Lavery is in the collection of the Glasgow Museums Resource Centre (GMRC).
[23] At the beginning of 1895 King spent ten weeks at Unst, Shetland, in the company of Percy Bright and William Reid.
Proceedings and Transactions of the Natural History Society of Glasgow, pp 354–365[22] 1891: (with Kenneth J Morton): List of Neuroptera Observed at Rannoch in June, 1889.
The Entomologist's Monthly Magazine, February 1891, volume 27, pp 45–47[26] 1896: (with Percy Bright and William Reid): Ten Weeks Collecting Lepidoptera in Unst (Shetland): The Entomologist's Monthly Magazine, January 1896, volume 32, pp 5–9[24] 1896: Notes on Trichoptera (Including Agrypnia picta, Kol.)
The Entomologist's Monthly Magazine, July 1896, volume 32, pp 151–152[25] 1910: (with James Nathaniel Halbert): A List of the Neuroptera of Ireland.