Museums
| Name | Country | State | City | Updated by
  | Date |
|---|---|---|---|---|---|
| Private collection: Mr.& Mrs. Harold W. Nichols | USA | Unknown | Anonymous | 10/09/2012 | |
| North Carolina Museum of Art | USA | NC | Raleigh | Anonymous | 09/27/2012 |
| Private collection: O'Brien, Cornelius | USA | IN | Lawrenceburg | Anonymous | 10/09/2012 |
| Private collection: O'Nan, Mildred Cook | USA | OH | Cincinnati | Anonymous | 10/09/2012 |
| Oakland Museum of California | USA | CA | Oakland | Anonymous | 09/27/2012 |
| Olana | USA | NY | Hudson | Anonymous | 09/27/2012 |
| Old Print Shop | USA | NY | New York | Anonymous | 10/09/2012 |
| Old State House Museum | USA | MA | Boston | Anonymous | 02/10/2012 |
| Olde Hope Antiques, Inc. | USA | PA | New Hope | Anonymous | 09/27/2012 |
| Society of California Pioneers | USA | CA | San Francisco | Anonymous | 10/03/2012 |
Artists
| Name | Info | Years | Updated by | Date |
|---|---|---|---|---|
| Kaelin, Charles Salis | 1858 - 1929 | Anonymous | 11/12/2012 | |
| Kahle, Julie | 1858 - 1931 | Anonymous | 05/17/2012 | |
| Kane, John | 1860 - 1934 | Anonymous | 07/27/2012 | |
| Lang, Charles Michael Angelo | 1860 - 1934 | Anonymous | 05/18/2012 | |
| Lehr, Adam | 1853 - 1924 | Anonymous | 05/17/2012 | |
| Lockwood, William | 1834 - 1847 | Anonymous | 05/17/2012 | |
| Loeb, Louis | 1866 - 1909 | Anonymous | 05/17/2012 | |
| MacDonall, Angus Peter | 1876 - 1927 | Anonymous | 04/02/2012 | |
| Morrison, Hal | 1848 - 1927 | Anonymous | 05/17/2012 | |
| Nyholm, Arvid Frederick | 1866 - 1927 | Anonymous | 03/31/2012 |
