Gustav Mahler
- Biography in English and Dutch with photographs and links from the Classical Composers Database.
- http://www.classical-composers.org/comp/mahler

Gustav Mahler (1860-1911)
- Biographical sketch noting the problems of his conflicted national background and Jewishness. Includes caricature, summaries of vocal and orchestral music, and Naxos discography.
- http://www.naxos.com/composerinfo/653.htm

Recorded Music of Gustav Mahler
- Discography arranged by groups of works.
- http://turing.cs.camosun.bc.ca:8080/Mahler

The Mahler Symphonies
- A synoptic survey by Tony Duggan.
- http://www.musicweb-international.com/Mahler/mahler9.htm

Gustav Mahler: The Summertime Composer
- Brief biography, key works, timeline, recommending reading and recordings, quotes, and additional resources and links from Humanities Web.
- http://www.humanitiesweb.org/human.php?s=c&p=c&a=i&ID=58

The Chicago Mahlerites
- Meeting and concert schedules, reviews, articles, contact information, and links.
- http://www.chicago-mahlerites.org/

MahlerRecords.com
- The searchable discography and database of his recorded works works.
- http://www.mahlerrecords.com/

Kunst der Fuge | Gustav Mahler
- MIDI files, and WMA/MP3 files.
- http://www.kunstderfuge.com/midi-m.htm#Mahler

Classic Cat
- Directory of mp3s on the internet that have been made available by the performing artists.
- http://www.classiccat.net/mahler_g/index.htm

Classical Music Archives: Mahler
- Biography from the Concise Oxford Dictionary of Music. Over 40 complete files offered in MIDI, MP3, and Windows Media audio formats, including live recordings of featured artists.
- http://www.classicalarchives.com/bios/codm/mahler.html

Gustav Mahler Board
- Discussion forum. Requires registration which consists of being 13 years or older and agreeing to the terms of the board.
- http://www.klassi.org/mahler/

Mahler, Gustav
- Concise Grove Dictionary of Music entry from WQXR radio with early years, education and influences, positions and influences, legacy, and summary of works.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=5650

Gustav Mahler: An Overview
- Biography, commentary and links to related composers, from mfiles. Featuring sheet music and MIDI and MP3 audio examples from his symphonies.
- http://www.mfiles.co.uk/Composers/Gustav-Mahler.htm

The Mahler Archives
- Archives holding essays, musicological analyses, historical facts, and interviews pertaining to Gustav Mahler.
- http://www.mahlerarchives.net

Internationale Gustav Mahler Gesellschaft, Vienna
- Official site of Mahler Society. Composer's life and works. Also membership and contact information, library, news journal, and links.
- http://www.gustav-mahler.org/english/

Das Lied von der Erde
- A synoptic survey by Tony Duggan.
- http://www.musicweb.uk.net/Mahler/Daslied.htm