The second and third volumes of his collected works appeared in 1676.

This volume, my most recently published work, appeared only the year before last.

It was not until 1979 that volume 2 appeared, this time written in English.

The first volume of the new series appeared in 1845.

It was intended to be the first of a series, but no further volumes appeared.

The two volumes appeared in 1753, and he is said to have received £1,500 for his services.

The first volume appeared in 1807, and is introductory to the others.

A new volume appears about every six to seven months.

A second volume appeared in 2007, and a third has been announced for 2008.

Since the first volume appeared in 1992, the series has received various international awards.