Andean art and architecture (with an emphasis on textiles); Costa Rican sculpture;
museology; perceptual theory; art and shamanism.
Art of the Andes from Chavin to Inca, Thames and Hudson, 1995.
To Weave for the Sun: Andean Textiles in the Museum of Fine Arts, Boston,
Museum of Fine Arts, Boston, 1992.
Articles on Chavin and Wari textiles, periodization, and camelid imagery
Textiles of the Americas; Ancient American Sculpture and Museology; Inca Art
and Architecture; Art of the Intermediate Area.