(1986). Center 6 research reports and record of activities: June 1985-May 1986. Washinghton, D.C: National Gallery of Art.
Παραπομπή Chicago StyleCenter 6 Research Reports and Record of Activities: June 1985-May 1986. Washinghton, D.C: National Gallery of Art, 1986.
Παραπομπή MLACenter 6 Research Reports and Record of Activities: June 1985-May 1986. Washinghton, D.C: National Gallery of Art, 1986.
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