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Nathaniel Pousette-Dart
Nathaniel Jermund Pousette-Dart was a painter and an art writer from St. Paul, Minnesota. The son of Swedish immigrants Algot Elias Pousette and Mathilda Nilson, he studied painting at the Art Students League in New York City Philadelphia under the painter Robert Henri and at the Academy of Fine Arts.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Robert Henri
2018
ISBN 9780344981975
Distinguished American Artists
2010
ISBN 9781166931926
Robert Henri - Primary Source Edition
2014
ISBN 9781295624690