| 1893 The Pharmaceutical Era - Volume 13 - Page 220 Lawrence: Belle-Isle & Viger discontinued (two stores) |
| 1907 Western Druggist - Volume 29 - Page 505 Viger & Dubrule Company, of Lawrence, has been incorporated, with a capital of $10,000. The incorporators are: Rosaire Duebrule, Simmon Viger and George L. Mematre |
| Massachusetts, Lawrence Belle-Isle, Viger & Co., Druggists, 47 Franklin and 66 Hampshire, Lawrence {spoon} C5832 |