An Illustrated History of Interior Decoration by Mario PrazAn Art History of Interior Design First published in 1964, Mario Prazs An Illustrated History of Interior Decoration (also known as An Illustrated History of Furnishings) is the most cited source of inspiration for interior design. As an art historian who loves interiors, Mario has dissected hundreds of paintings and watercolors that are exceptional for their inclusions of interiors as a background or central theme. Starting with Pompeiian frescos,