There were empty lots each side of it, but the sidewalls were on property boundaries, and had windows only where the building jutted in, and there was a small gate, and a narrow cement walk pressing tightly on one side.
"Sisters"
Kathleen Norris
Those who go now to the Sistine Chapel to gaze upon Michael Angelo's painted ceiling, and the panelled sidewalls of Botticelli and other cotemporary artists, are more than intoxicated with the feast.
"The Tapestry Book"
Helen Churchill Candee
The net and the plastic sidewalls were, of course, the method by which a really large airlock was made practical.
"Space Tug"
Murray Leinster