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| Circa late 1920s. |
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| Portrait of Karoline von Schlotheim, by Wilhelm Böttner, 1788. |
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| Sapiente con compasso e globo (Allegory of the Compass and Globe), by Dosso Dossi, circa 1520-1522. |
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| Dale Curry, by the American Model Guild, circa 1950s. |
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| "Study of an old man", by Anton Ažbe, 1886. |
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| Le Chérubin de Mozart (Désirée Manfred), by Jacques-Émile Blanche, circa 1903. |
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| Archduchess Maria Amalia of Austria, Duchess of Parma, by Johan Zoffany, circa 1770s. |
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| Unknown, courtesy the collection of Ralf de Jonge. |
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| Portrait of a young boy, German School, circa 1820. |
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| Trahie-Perplexité (Betrayed - Perplexity), by Alfred Stevens, circa 1860s. |
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| Unknown. |
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| Poster for Devaux champagne, design by Ernst Dryden, circa 1930s. |
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| Portrait of a Girl with a Cage, by Pierre Gobert, circa first third of the eighteenth century. |
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| Unknown. |
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| Satirical portrait of Hilaire Rouillé du Coudray, called "de Boissy", marquis de Boissy et du Coudray, circle of Jean-Baptiste Leprince, circa 1780s. |
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| Unknown, collection Stephen Rutledge. |
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| Portrait of a Young Woman, Lima School, circa 1780s. |
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| The vicomtesse de Renouard de Bussière, miniature by Pierre-Adolphe Hall, circa 1780s. |
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| #57 Untitled, August 11, 1954, New York, NY, by Vivian Maier, 1954. |
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| Unknown, courtesy the collection of Ralf de Jonge. |
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| Saudade, by José Ferraz de Almeira Jr., 1899. |
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| La Divina in Blu, by Giovanni Boldini, circa 1910. |
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| Unknown. |
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| Ex voto [San Sebastián], by Ángel Zárraga y Argüelles, 1912. |
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| Unknown, courtesy the collection of Ralf de Jonge. |
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| The Duke and Duchess of Windsor, unknown wood sculptor, circa 1936. |
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| French recruitment poster, 1942. |
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| Mary with a Black Hat (the artist's daughter), by Edmund Charles Tarbell, circa 1915-20. |
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| Portrait of the artist's wife, by Edward Okuń, 1907. |
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| Drexel University Rifle Club Philadelphia, Pennsylvania, 1925. |
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| Le Masque de Beethoven, by Jean-Joseph Benjamin-Constant, 1887. |
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| Mrs. Oppenheim, by William Powell Frith, circa 1864. |
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| Unknown. |
