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:
