| Source: Index to building images that appeared in the St. Louis Post-Dispatch, 1917, 1919-March 1932 Location: Microfilm | |
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| Corporate Name: | Robertson Airplane Service Co. |
| Building Illustration: | yes |
| Date of Newspaper: | 1929 July 28 |
| Part of Newspaper: | 6 |
| Page: | 8C |
| Remarks: | photo of Robertson Airplane Service Co.'s hangar at Lambert Field |
