In 1883 and 1884, he published a two volume work on the federal constitution.

It was originally intended to be a two volume work, the first of which was published in March 1855.

The three volume work on the game birds was made using contributions and notes from a network of 200 or more correspondents.

The couple travelled over 100,000 miles to research this three volume work.

They devised the system in a 3 volume work.

The volume work they needed - setting up the systems, stealing their way into Sundog - that's done.

Unfinished at his death, the two volume work was finally published in 1986.

This is an eight volume work with 72 plates, 67 coloured by hand.

The series is a planned 60 volume work.

His clinical papers have been collected into a four volume work: