Jabarkan Galeri dari Ulmus dalam bahasa melayu

A scientific, historical and cultural study, with a thesis on elm-classification, followed by a systematic survey of elms in England, region by region. Illustrated.

Heybroek, H. M., Goudzwaard, L, Kaljee, H. (2009). Iep of olm, karakterboom van de Lage Landen (:Elm, a tree with character of the Low Countries). KNNV, Uitgeverij. ISBN 978-90-5011-281-9. A history of elm planting in the Netherlands, concluding with a 40 - page illustrated review of all the DED - resistant cultivars in commerce in 2009.

A general introduction, with a history of Dutch elm disease and proposals for re-landscaping in the aftermath of the pandemic. Illustrated.

A study of the species, with particular reference to the wych elm in Scotland and its use by craftsmen.

A photographic and pictorial celebration and general introduction.