Museums
| Name | Country
  | State | City | Updated by | Date |
|---|---|---|---|---|---|
| C. G. Sloan & Co., Inc. | USA | D.C. | Washington | Anonymous | 07/28/2012 |
| Cahoon Museum of American Art | USA | MA | Cotuit | Anonymous | 07/28/2012 |
| California Historical Society | USA | CA | San Francisco | Anonymous | 07/28/2012 |
| Campanile Galleries, Inc. | USA | IL | Chicago | Anonymous | 07/28/2012 |
| Canton Museum of Art | USA | OH | Canton | Anonymous | 07/28/2012 |
| Carnegie Institute, Museum of Art | USA | PA | Pittsburgh | Anonymous | 07/28/2012 |
| Castle, James Manderson Jr. | USA | DE | Wilmington | Anonymous | 02/10/2012 |
| Catherine Dail Fine Art | USA | NY | New York | Anonymous | 07/29/2012 |
| Chamber of Commerce of the State of New York | USA | NY | New York | Anonymous | 02/10/2012 |
| Chapellier Galleries | USA | NY | New York | Anonymous | 12/27/2012 |
Artists
| Name | Info | Years | Updated by | Date |
|---|---|---|---|---|
| Gay, Walter | 1856 - 1937 | Anonymous | 06/08/2012 | |
| Goodwin, Arthur Clifton | 1864 - 1929 | Anonymous | 03/31/2012 | |
| Hale, Philip Leslie | 1865 - 1931 | Anonymous | 10/13/2012 | |
| Halpert, Samuel | 1884 - 1930 | Anonymous | 05/16/2012 | |
| Hamilton, Hamilton | 1847 - 1928 | Anonymous | 05/16/2012 | |
| Hart, George Overbury | 1868 - 1933 | Anonymous | 04/10/2012 | |
| Howard, Hugh Huntington | 1860 - 1927 | Anonymous | 05/19/2012 | |
| Jay, Cecil | 1884 - 1930 | Anonymous | 04/02/2012 | |
| Jones, Seth Corbett | 1853 - 1930 | Anonymous | 05/17/2012 | |
| Juergens, Alfred | 1866 - 1934 | Anonymous | 12/24/2012 |
