This course examines medieval church treasuries, their contents and architectural settings, and the ways they have been conceptualized from the Middle Ages to the present. It highlights the diversity of treasury contents, from liturgical chalices to legal documents, who contributed to the shape of such collections and why, and how the collections were documented. Major themes in present-day art history create the conceptual underpinnings of the course, including materiality, collecting and display, mobility, and patronage. The course will provide opportunities for students to work with objects in local museums and to develop research projects in the Digital Humanities. Reading knowledge of French, German, Italian, and Latin is helpful.