Positif Press
- Publisher of books about the pipe organ, as well as music, journals and CDs.
- http://www.positifpress.com/

The Enharmonic Pipe Organ
- Description, photographs and sound samples of an organ with 48 pipes to the octave.
- http://www.eufonia.de/english/orgel.php

Pipedreams
- Companion site to the popular radio program. Schedule, list of radio outlets, details of instruments featured.
- http://pipedreams.publicradio.org/

Pipe Organs and Music
- Sound samples, photo gallery.
- http://www.orgel.com/home-e.html

Flue Pipe Acoustics
- The physics behind the sound of organ pipes and whistles.
- http://rjweisen.50megs.com/

OrganFocus.com
- Search a database of pipe organ events around the world. Concerts, festivals, masterclasses. Original reviews and essays.
- http://www.organfocus.com/

Göteborg Organ Art Center
- Göteborg University center for study and research into all aspects of the organ art and the organ instrument--interpretation of the music of different periods, improvisation, research into pre-industrial organbuilding, studies of sources.
- http://goart.gu.se/

Dream Organs
- Organ designs and proposals by builders, performers and commentators; an account of the organ in literature; essays on music and organ design; specification of the "Liber Organum", an 8,276 stop [sic] dream organ.
- http://www.ondamar.demon.co.uk/organs.htm

The Pipe Organ
- A beginner's guide to the organ: how it works, a glossary of terms and a list of further resources.
- http://nersp.nerdc.ufl.edu/~bodinew/

Encyclopedia of Organ Stops
- A comprehensive encyclopedia of organ stops. Construction details, examples, and sound files.
- http://www.organstops.org/

OHS Catalog
- Catalog sales division of the Organ Historical Society. Sells pipe organ related books, CDs, videos and sheet music. Site is fully searchable.
- http://www.ohscatalog.org/

PipeOrgans.Com
- Commercial site of Peterson Electro-Musical Products (see entry in Organs: Builders) advocating the retention, rebuilding and reconstruction of pipe organs.
- http://www.pipeorgans.com/

Het Orgel
- Dutch/English site for magazine published by the Royal Dutch Association of Organists. Recent articles, list of editors, subscription information.
- http://www.hetorgel.nl/

JAV Recordings
- CDs of world famous pipe organs. Documentary series "Great Organbuilders of America" features the work of Aeolian-Skinner.
- http://www.pipeorgancds.com/

MusicLink Pipe Organ Builders and Resources
- List of links to organ builders, and organists' associations.
- http://www.musiclink.co.uk/pipeorgan/

Organ History
- The Pipe Organ, a description in two parts: "The organ and how it works" and "The History of the Organ"
- http://panther.bsc.edu/~jhcook/OrgHist/begin.htm