Literatuur
- Marta, Roberto, Tecnica Costruttiva Romana / Roman Building techniques (tweetalig handboek met onder meer definities van de begrippen). Roma (Edizioni Kappa), 1991cop. [98 blz. ISBN 88.7890.034.6]. Hierin: blz. 86 (in "Glossario / Glossary": "Figlinum opus, decorative elements obtained with bricks and tiles opportunely worked to make connices, pilaster strips, cyma etc" - dit is de engelse definitie van de italiaanse term volledig)