Orlande de Lassus
- Biographical sketch, caricature, summaries of secular vocal and church music, and Naxos discography.
- http://www.naxos.com/composerinfo/600.htm

Orlando di Lasso
- Biographical information, links, and directory of MP3 audio files from Classic Cat.
- http://www.classiccat.net/lasso_o_di/

Orlande de Lassus (1532-1594)
- Karadar dictionary entry with life, portraits and other illustrations, and MIDI audio samples.
- http://www.karadar.it/Dictionary/lassus.html

Roland de Lassus
- Entry at the Lied and Art Songs Text Page with list of vocal works linked to lyrics, a few having English translations.
- http://www.recmusic.org/lieder/l/lassus.html

Lassus, Orlande
- Extended biography noting his background, studies, positions held, and sons' continuation of his work while commenting on style and summarizing major works. From the Grove Concise Dictionary of Music entry at WQXR radio.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=5208

Kunst der Fuge | Orlando di Lasso
- MIDI files and latin texts of six psalms from "Novae aliquot ad duas voces Cantiones suavissimae" and "Psalmis Poenitentialibus".
- http://www.kunstderfuge.com/midi-l.htm#Lasso

Classical Music Archives: Lausses
- Music files offered in MIDI format.
- http://www.classicalarchives.com/early-l.html#LASSUS

Orlandus Lassus and Catholic Polyphony in late 16th Century Germany
- Development of the art and contributions from Lassus and others are traced. Includes supplemental information on other composers, the mixed influence of Italy and the Netherlands on the Germans, and releted material.
- http://www.hoasm.org/IVK/IVKLassusPolyphony.html

Orlandus Lassus
- Detailed biography with various names by which he is known, links to related composers, portraits, influence, and a partial discography from the Here Of A Sunday Morning radio program.
- http://www.hoasm.org/IVK/Lassus.html

Lassus, Orlandus (1532 - 1594), Belgium
- Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays.
- http://stevenestrella.com/composers/composerfiles/lassus1594.html

Orlando de Lassus
- Catholic Encyclopedia biography emphasizing his religious compositions.
- http://www.newadvent.org/cathen/09011c.htm