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National Gallery of Art

National Gallery of Art: Childe Hassam, "Allies Day"

For Students 9th - 10th
This resource includes a picture of the famous painting, "Allies Day," as well as a brief description of the history behind it.
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Art Institute of Chicago

Art Institute of Chicago: Manet and the Sea

For Students 9th - 10th
This site is a preview to a live exhibit in Chicago, these pages explore the theme of seascape as perceived in the late 19th century. Includes a great deal about Manet and other artists of the period plus plenty of images of famous works.
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Other

Mary Cassatt the Complete Works

For Students 9th - 10th
View over 300 of Cassatt's paintings. You can conduct searches, watch slideshows, or view page by page. Also includes an extensive biography and many features that make finding and bookmarking your favorite works very easy.