A combined library catalogue describing the collections of a number of libraries.

plural of union catalogue

Alternative spelling of library catalog

plural of back catalogue

A listing of all the works of a specific artist, or all the books, records etc of a specific publisher, including works that are no longer available. / (informal) The works themselves.

plural of catalogue raisonné

A complete index, usually with descriptions and reproductions, of a body of work, such as all the creations of a single artist.

(astronomy) A catalogue of deep sky objects compiled in the 1880s by J. L. E. Dreyer using observations mostly from William Herschel. It contains nearly 8,000 objects, known as the NGC objects. Objects in the catalogue are numbered, and the letters NGC are prepended to these numbers, as in NGC 224 (the Andromeda Galaxy) or NGC 6205 (the globular cluster in Hercules).