Lenski, Lois (1893-1974)
- Illustrated biography.
- http://www.ortakales.com/illustrators/Lenski.html

Loomis, Andrew (1892-1959)
- An illustrated biography of the illustrator, who also wrote influential art instruction books.
- http://www.bpib.com/illustrat/loomis.htm

Leighton, John (1822-1912)
- Brief biography.
- http://myweb.tiscali.co.uk/speel/illus/jleight.htm

Leyendecker, Joseph Christian (1874-1951)
- An illustrated biography.
- http://www.bpib.com/illustrat/leyendec.htm

Le Mair, Henriette Willebeek (1889-1966)
- Illustrated biography.
- http://www.ortakales.com/illustrators/LeMair.html

Lowell, Orson (1871-1956)
- An illustrated biography.
- http://www.bpib.com/lowell.htm

Levetus, Celia (1874-1936)
- Brief biography and links to related information.
- http://myweb.tiscali.co.uk/speel/illus/levetus.htm