| Source: St. Louis and Missouri Womanhood Scrapbooks, circa 1901-1976 Location: Reading Room / St.L. / 920 / Am3 | |
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| Last Name: | Spottiswood-Mackin |
| First Name: | Sallie |
| Title: | Countess |
| Last Name, Alternate Spelling: | Mackin |
| Maiden Name: | Britton |
| Volume: | 3A |
| Page: | 85 |
| Remarks: | threatens suit for libel over book titled "Second Quality" |
