Source:Groups-and-couples
From Pittsburgh Streets
Frances Lester Warner. Groups and Couples. Houghton Mifflin, Boston and New York, 1923. Google Books lub2z89YnoYC; Internet Archive groupscouples00warn. The essay "The Pittsburgh Owl" is available at http://www.info-ren.org/projects/btul/Pennsylvania/pghowl.html and http://www.info-ren.org/projects/btul/exhibit/pghowl.html.
