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Coleman, M.; A’Hara, S.W.; Tomlinson, P.R.; Davey, P.J. (2016). "Elm clone identification and the conundrum of the slow spread of Dutch Elm Disease on the Isle of Man". New Journal of Botany. 6 (2–3): 79–89. doi:10.1080/20423489.2016.1271612. S2CID90001207.
Elwes, H. J. & Henry, A. (1913). The Trees of Great Britain & Ireland, Vol.7, p.1920 [1]Archived 2016-03-03 at the Wayback Machine
Wilcox, Mike; Inglis, Chris (2003). "Auckland's elms"(PDF). Auckland Botanical Society Journal. 58 (1). Auckland Botanical Society: 38–45. Archived from the original(PDF) on 2015-01-06. Retrieved 2017-02-22.
Elwes, H. J. & Henry, A. (1913). The Trees of Great Britain & Ireland, Vol.7, p.1908 [10]Archived 2016-03-03 at the Wayback Machine
![[7]](http://vhd.heritage.vic.gov.au/images/vhr/150154.jpg){kind=link}
