other notable aspects of the decorative arts collection include a rare set of five clerestory windows and two mosaic-clad architectural columns that represent tiffany's contribution to 20th-century ornament. period rooms from six historic maryland houses, along with architectural elements from other historic buildings, illustrate town and country building styles from the 18th and 19th centuries, and miniature rooms made by chicago miniaturist eugene kupjack that invite scrutiny of a variety of decorative styles at close range.