File:Bronze statue of an athlete from Ephesus cleaning his strigil 1st century CE copy of 4th century BCE Greek original.jpg - Wikimedia Commons
Antac Support Services - Our Projects Team have been busy working in collaboration with Antique Bronze Ltd on the statue cleaning of Alexander of Tunis, for the Irish Guards at London. Here
How to clean Statue Ornaments at Home - YouTube
Picture of the Lincoln Memorial Statue Getting Cleaned - Album on Imgur
The National Gallery of Art will clean and restore marble sculptures in the gallery - The Washington Post
How to clean a marble statues/sculptures- YouFine Sculpture