Knipe, P. Shades and shadow-pictures: The materials and techniques of american portrait silhouettes.
Cita Chicago Style (17a ed.)Knipe, Penley. Shades and Shadow-pictures: The Materials and Techniques of American Portrait Silhouettes.
Cita MLA (8a ed.)Knipe, Penley. Shades and Shadow-pictures: The Materials and Techniques of American Portrait Silhouettes.
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