| Source: The Printing Trades Magazine, 1909-1915 (incomplete run) Location: St.L. / 05 / P936 | |
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| Last Name: | Claus |
| First Name: | L. |
| Middle Name: | J. |
| Corporate Name: | Grand Ave. Florist |
| Address: | 2439 North Grand Ave. |
| Advertisement: | yes |
| Volume: | II |
| Issue: | 4 |
| Date of Publication: | April 1910 |
| Page: | 13 |
