dis·cog·ra·phy 
(dĭ-skŏgrə-fē)
(dĭ-skŏgrə-fē)n. pl. dis·cog·ra·phies
1. The study and cataloging of phonograph records.
2. A comprehensive list of the recordings made by a particular performer or of a particular composer's works.
dis·cogra·pher n.
dis′co·graphi·cal (dĭs′kə-grăfĭ-kəl), dis′co·graphic (-grăfĭk) adj.