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.