Literatuur
- D + Arte. Dizionario dei termini e cronologia dell' arte universale. Milano (Vallardi), 1999cop. [622 blz. ISBN 88.8211.366.3]. Hierin "Opus albarium": blz. 52 ("A very soft paste of rich well-sieved lime constitutes the final layer of white-coloured plaster, album, generally used as a distemper or for painting frescoes" - dit is de relevante tekst volledig)