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Dorothy and Herbert Vogel in the 1994 exhibition "From Minimal to Conceptual Art: Works from the Dorothy and Herbert Vogel Collection" at the National Gallery of Art, Washington.
John Tsantes. National Gallery of Art, Washington, D.C., Gallery Archives

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Christo, Herbert and Dorothy Vogel, Jeanne-Claude, Richard Tuttle, Lawrence Weiner, and Robert Barry at the opening reception of the 1994 exhibition "From Minimal to Conceptual Art: Works from the Dorothy and Herbert Vogel Collection" at the National Gallery of Art, Washington.
John Tsantes. National Gallery of Art, Washington, D.C., Gallery Archives

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A view of "From Minimal to Conceptual Art: Works from the Dorothy and Herbert Vogel Collection" exhibition at the National Gallery of Art, Washington, D.C.
Gallery Archives

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The Vogels with works from their collection in the Print Study Room, National Gallery of Art, 1992.
Lorene Emerson. National Gallery of Art, Washington, D.C., Gallery Archives

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The Vogels with works from their collection in the Print Study Room, National Gallery of Art, 1992.
Lorene Emerson. National Gallery of Art, Washington, D.C., Gallery Archives

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Dorothy and Herbert Vogel, National Gallery of Art, 1992.
Lorene Emerson. National Gallery of Art, Washington, D.C., Gallery Archives

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Dorothy and Herbert Vogel, National Gallery of Art, 1992.
Lorene Emerson. National Gallery of Art, Washington, D.C., Gallery Archives