They published a modest revision in 1847, and a second update with illustrations in 1859 .
Bentham's arrangement stood until 1996, when Alex George published a revision of the genus.
He published two revisions of it and then a final revision in 1872.
In 1830, Schopenhauer published a revision of his color theory.
She encouraged members to buy a new copy whenever she published a major revision, which brought in significant earnings.
In 1972 the areal limits were modified and an overview created by Stewart and others (they published a revision the same year).
In 1978, Nelson published a comprehensive taxonomic revision of Adenanthos.
Malthus published a major revision to his first edition-his second edition-in 1803.
Brian Harold Mason published a further revision in the 1960s.
In 1955, he published a revision of the genus.