Belldom

They had a thick rim, and when struck with pieces of wood, gave out a tone deeper than that of some of the Great Toms renowned in belldom.

Source: wiktionary

There is probably the greatest collection of bells to be found anywhere collected from the whole world of belldom.

Source: wiktionary

Wandering through the labyrinthine mazes of passages and arches and through the sun-kissed Garden of the Bells, one sees the complete evolution of belldom from the crude cowbells of the Roman campagna to the huge, resonant guardian of some European cathedral.

Source: wiktionary

Nevertheless, John D. Rockefeller, Jr., set new records in belldom when he donated the Riverside instrument [...]

Source: wiktionary