| Source: Mercantile and Manufacturing Scrapbooks, circa 1948-1977 Location: Reading Room / St.L. / 658 / M533 | |
 | |
| Last Name: | Roos |
| First Name: | Lawrence |
| Middle Name: | K. |
| Portrait: | yes |
| Volume: | 4 |
| Page: | 133 |
| Remarks: | in article titled "Firm Gets Contract to Provide Helicopters for County Police," 1970 |
