| Source: Mercantile and Manufacturing Scrapbooks, circa 1948-1977 Location: Reading Room / St.L. / 658 / M533 | |
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| Corporate Name: | Ralston Purina Co. |
| Volume: | 4 |
| Page: | 157 |
| Remarks: | "Ralston Helping to Feed Hungry World," 1971 |
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