In the Library: The Art of Sleuthing—Evidence of Collectors Who Made their Mark

Lida Moser (1920–2014), photographer, John Koch with His Painting Dora at Setauket and Jan Steen’s Painting Rich Man and Lazarus, gelatin silver print, November 22, 1969 (printed 1986) © Lida Moser Archive, Department of Image Collections

Munich Central Collecting Point photo of Jan Steen’s Rich Man and Lazarus brought to the National Gallery of Art by Ardelia Hall, Cultural Affairs Office at the US Department of State, specializing in the restitution of Nazi-looted art (1946–1964) and Monument’s Woman (MFAA Officer) in Europe (1945), Department of Image Collections

American Art Association, Art Collection Formed by the Late Mrs. Mary J. Morgan (New York, 1886), National Gallery of Art Library

Unknown photographer, Diego Rivera, Edward G. Robinson, and Sam Salz in Rivera’s San Francisco Studio, digital print from negative, 1940, printed 2022, Gift of Marc Salz in memory of his father Sam Salz, Sam Salz Archive, Department of Image Collections

Sam Salz Inventory Book, 1939–1945, detail from page 121, Gift of Marc Salz in memory of his father Sam Salz, Sam Salz Archive, Department of Image Collections

Reproduction of Clarence Sinclair Bull (1896–1979), photographer, But There Was a Day When One Woman Was Enough; Her Name Was Garbo. She Didn’t Have to Take Her Clothes Off, gelatin silver print with applied color, 1931 (inked 1932), National Gallery of Art, Gift of Mary and Dan Solomon, 2018.177.291

Detail from verso of Jean Dubout, 20th century, photographer, Wassily Kandinsky Painting Murnau: Houses on the Obermarkt with Notation by His Wife, Nina Kandinsky, gelatin silver print, 1975, Department of Image Collections

Rembrandt Tentoonstelling (Rembrandt Exhibition), 1898, View of Room 27 with Portrait of a Gentleman with a Tall Hat and Gloves and Portrait of a Lady with an Ostrich-Feather Fan, silver collodion print on board, Department of Image Collections