Kirkham, Tony (Nombre personal)

Brown, George Ernest. The pruning of trees, shrubs, and conifers, 2004: CIP t.p. (Tony Kirkham)

Wikipedia, February 19, 2019: English Tony Kirkham page (Tony Kirkham; Head of Arboretum, Gardens & Horticulture Services, Royal Botanic Gardens Kew; born in Lancashire; holds Diploma in Horticulture from Kew; active in horticulture and arboriculture; Londoner; author of four books) Dutch Tony Kirkham page (Tony Kirkham; born 1957; British botanist and plant collector [plantverzamelaar]) https://en.wikipedia.org/wiki/Tony_Kirkham https://nl.wikipedia.org/wiki/Tony_Kirkham