Philadelphia Museum of Art, Ellis, C. G., & Babbitt, S. (1988). Oriental carpets in the Philadelphia Museum of Art. Philadelphia Museum of Art.

Philadelphia Museum of Art, Charles Grant Ellis, and Sherry Babbitt. Oriental Carpets in the Philadelphia Museum of Art. Philadelphia, Pa.: Philadelphia Museum of Art, 1988.

Philadelphia Museum of Art, et al. Oriental Carpets in the Philadelphia Museum of Art. Philadelphia Museum of Art, 1988.