• 38 Books
• 1 Maps, Atlases

• 36 Themes, motives
• 35 Criticism and interpretation
• 6 Art, Modern
• 4 Avant-garde (Aesthetics)
• 4 Installations (Art)
• 4 Painting, American
• 3 Art, Italian
• 3 Figurative painting, American
• 3 Painting, French
• 3 Painting, Modern
• 3 Post-impressionism (Art)
• 3 Sculpture, Modern
• 2 Conceptual art
• 2 Expressionism (Art)
• 2 Gogh, Vincent van, 1853-1890
• 2 Homer, Winslow, 1836-1910
• 2 Hudson River school of landscape painting
• 2 Influence
• 2 Kirchner, Ernst Ludwig, 1880-1938
• 2 Landscape painting, American
• 2 Landscapes in art
• 2 Notebooks, sketchbooks, etc
• 2 Painting, Abstract
• 2 Painting, Dutch

• 14 Prestel Verlag
• 4 Museum Barberini (Potsdam, Germany)
• 3 Westheider, Ortrud
• 2 Eiling, Alexander B.
• 2 Gartenfeld, Alex
• 2 Gogh, Vincent van, 1853-1890
• 2 Homer, Winslow, 1836-1910
• 2 Institute of Contemporary Art (Boston, Mass.)
• 2 Institute of Contemporary Art, Miami
• 2 Kirchner, Ernst Ludwig, 1880-1938
• 2 Lloyd, Jill
• 2 Metropolitan Museum of Art (New York, N.Y.)
• 2 Moreno, Gean, 1972-
• 2 Musée d'Orsay
• 2 National Gallery (Great Britain)
• 2 Obrist, Hans Ulrich
• 2 Philipp, Michael, 1962-
• 2 Princeton University Press
• 2 Respini, Eva
• 2 Yale University Press
• 1 Aarhus kunstmuseum
• 1 Abbaspour, Mitra
• 1 Acquavella Galleries
• 1 Adorján, Johanna, 1971-
• 1 Ai, Weiwei

• 38 English
• 1 Italian

• 12 United States
• 5 California
• 5 France
• 4 Germany
• 4 Italy
• 3 Netherlands
• 3 New York
• 3 New York (State)
• 2 England
• 1 Antwerp
• 1 Austria
• 1 Belgium
• 1 Breda
• 1 China
• 1 Florence
• 1 Florida
• 1 Greece
• 1 Los Angeles
• 1 Miami
• 1 Minnesota
• 1 New England
• 1 New Mexico
• 1 San Francisco
• 1 Spain
• 1 Taos

• 38 Exhibition catalogs
• 35 Essays
• 8 Interviews
• 8 Portraits
• 3 In art
• 2 Biography
• 1 Catalogues raisonnés
• 1 Exhibition catalogues

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