Richard Helms (naturalist) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Richard Helms (naturalist)" in English language version.

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942^nd place

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anbg.gov.au

Galloway, D. J.; Vitikainen, O. (1 July 2013). "Contributions to a history of New Zealand lichenology 4. Richard Helms (1842–1914)" (PDF). Australasian Lichenology. 73: 12–23.

Chisholm, A.H. "Helms, Richard (1842–1914)". Australian Dictionary of Biography. National Centre of Biography, Australian National University. Retrieved 15 April 2015.

C Hedley. Presidential Address - Journal and proceedings of the Royal Society of New South Wales; 19 August 1915. [1]

Godley, E. J . (2001). "Biographical Notes (42): Richard Helms (1842 -1914)" (PDF). New Zealand Botanical Society Newsletter. 64: 39–41.