As well as citing the most regarded composers of music for the pipe organ, this list includes important anonymous and early music sources, as well as composers from under-researched regions and countries.
Much keyboard music of the Late-Medieval and Renaissance was often played interchangeably on organ, harpsichord, clavichord and the like, with the exception of liturgical music (Mass, Magnificat and Latin hymns versets, chorale settings, etc.)
Several early sources clearly specify the use of organ in free works, such as the Ileborgh Tablature of 1448, which in the third praeambulum has the first known indication for pedal notes.
Eras of composition are roughly categorized as follows: (see also Germany) (see also France) (see also Belgium) (See also Austria)
(see also Spain) (see also Portugal) Biographical Dictionary of Organists, Composers for Organ and Organ Builders: