Concept
Version 15
Created by Boundless
The Settlement House Movement
Source
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"Children_standing_in_a_line_on_a_retaining_wall_on_the_grounds_of_Hull_House.jpg."
https://commons.wikimedia.org/wiki/File:Children_standing_in_a_line_on_a_retaining_wall_on_the_grounds_of_Hull_House.jpg
Wikipedia
Public domain.