New York Times obituary for Sherman Lee, director of the Cleveland Art Museum from 1958 to 1983.
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Collinwood School Fire aggregation
The Group Plan aggregation
1 The Group Plan of 1903 – Published August, 1902
2 The Group Plan – An online exhibit
4 Howard M. Metzenbaum U.S. Courthouse Documentary
5 The Cleveland Group Plan of 1903 from Cleveland Memory
6 Metzenbaum Courthouse History and Artwork
7 “The Shining Light of a Modern Age: Baron Haussmann’s Revolutionary Design of Paris”