It is intended to cover the composer's entire oeuvre and includes over 750 entries.
The Haydn catalogue that now bears Hoboken's name was begun in card format in 1934; work continued until the publication of the third and final book volume in 1978.
Works by Haydn are often indicated using their Hoboken catalogue number, typically in the format "Violin Concerto No.
[1] Each work is given with an identifying incipit, printed on a single musical line.
There is discussion of manuscript sources, early editions, listing in previous catalogues (including the two Haydn prepared), and critical commentary.