References in classic literature ?
They stood side by side, watching and listening and smelling.
At the other end sat the younger and less important guests, and there too sat the members of the family, and Pierre and Helene, side by side.
Only Pierre and Helene sat silently side by side almost at the bottom of the table, a suppressed smile brightening both their faces, a smile that had nothing to do with Sergey Kuzmich- a smile of bashfulness at their own feelings.