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1
Published 1930
“...Pittsburgh (Pa.) Social conditions 20th century....”
Record Source:
Published Materials
Book
2
Published 1914
“...Pittsburgh (Pa.) Social conditions....”
Record Source:
Published Materials
Microfilm
3
Published 1998
“...Pittsburgh (Pa.) Social conditions Pictorial works....”
Record Source:
Published Materials
Book
4
Published 1991
“...Pittsburgh (Pa.) Social conditions Congresses....”
Record Source:
Published Materials
Book