Гюстав Курбе в музеях.

— database of artworks in Danish museums  

Kunsthalle Bremen, Germany (in German)  

Kunstmuseum Basel, Switzerland

Kunstmuseum St.Gallen, Switzerland (mostly in German)  

Memorial Art Gallery of the University of Rochester, New York
The Stonebreaker

Metropolitan Museum of Art, New York City
Self-Portrait with Upraised Arm, ca.1840

Metropolitan Museum of Art, New York City
Many works, including: Hunting Dogs with Dead Hare, 1867
Louis Gueymard as Robert le Diable, 1857
The Source, 1862

Metropolitan Museum of Art, New York City
Woman with a Parrot, 1866

Milwaukee Art Museum, Wisconsin

Minneapolis Institute of Arts, Minnesota
Chateau d’Ornans, 1855

Minneapolis Institute of Arts, Minnesota
Deer in the Forest, 1868

Minneapolis Institute of Arts, Minnesota
Les Demoiselles de Village

Musee d’Orsay, Paris
The Artist’s Studio, 1855

Musee des Augustins, Toulouse, France
Le Ruisseau du Puits Noir, ca.1865

Musee des Beaux-Arts de Caen (partly in French)  
2 paintings

Museo d’Arte della Citta di Ravenna, Italy
Bords de riviere, ca.1873

Museum of Fine Arts, Houston
The Sea, 1867

Museum of Fine Arts, Houston
The Gust of Wind, ca.1865

Museum of Fine Arts, Boston
The Quarry, 1856-57

Museum of Fine Arts Collection Database, Boston   
5 works online

National Gallery of Art, Washington D.C.
8 works online

National Gallery of Australia, Canberra
Study for Girls on the banks of the Seine (Summer)

National Gallery of Canada, Ottawa

National Gallery, London, UK

National Museum of Western Art, Tokyo
Waves, ca.1870

National Museums & Galleries of Wales

National Museums Liverpool, UK
Low Tide at Trouville, ca.1865

Nationalmuseum, Sweden
Jo, the Beautiful Irish Girl

Neue Pinakothek, Munich

Norton Museum of Art, West Palm Beach, Florida
Still Life

Norton Simon Museum, Pasadena, California

Oskar Reinhart Collection, Switzerland

Portland Art Museum, Oregon
The Violoncellist, 1847

Royal Museums of Fine Arts of Belgium Catalogue (in French)   
La signora Adela Guerrero, danseuse espagnole
Les sources de la Loue

Smith College Museum of Art, Massachusetts
Preparation of the Dead Girl, ca.1850-55

Stadel Museum, Frankfurt
The Wave

Thyssen-Bornemisza Museum, Madrid
The Beach at Saint-Aubin-sur-Mer

Toledo Museum of Art, Ohio
The Trellis

Van Gogh Museum, Amsterdam
View of the Mediterranean at Maguelonne, 1858

Victoria and Albert Museum Catalogue, London   
2 works online

Worcester Art Museum, Massachusetts
Woman with a Cat, 1864