This includes print and online editions of its collaborative effort the Encyclopedia of Chicago.
Warren was also a member of the Michigan Historical Society, the Chicago Historical Society, the Wisconsin Archaeological Society, the Union League Club, and the Geographic Society of Chicago.
The Louvre Museum (Paris, France), Bonnefanten Museum (Maastricht, Netherlands), the Chicago History Museum, the Fogg Art Museum (Harvard University), the Honolulu Museum of Art, the Luxembourg Palace (Paris), the Metropolitan Museum of Art and the Smithsonian American Art Museum are among the public collections holding works by Hubert Vos.
He has also served on the boards of the University of Illinois Foundation, the Chicago History Museum, and the Ravinia Festival.
Chicago | University of Chicago | British Museum | Museum of Modern Art | Metropolitan Museum of Art | Chicago Tribune | Chicago Cubs | history | Chicago White Sox | Chicago Bears | American Museum of Natural History | Art Institute of Chicago | Victoria and Albert Museum | Natural History Museum | San Francisco Museum of Modern Art | Honolulu Museum of Art | History | museum | Whitney Museum of American Art | Chicago Sun-Times | History (U.S. TV channel) | Museum of Fine Arts, Boston | Los Angeles County Museum of Art | Solomon R. Guggenheim Museum | Chicago Symphony Orchestra | Chicago Blackhawks | National Air and Space Museum | Brooklyn Museum | National Baseball Hall of Fame and Museum | Chicago Bulls |
Collaborators in the past have included the Museum of Contemporary Art, After School Matters, The Chicago Historical Society, The University of Chicago, The Chicago Architecture Foundation, the School of the Art Institute of Chicago, the Garfield Park Conservatory, the Chicago Blackhawks and the Chicago Cubs.