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Josef Mlot-Mroz holding a "Freedom for Poland" sign at the airport as Sen. Barry Goldwater arrives - Digital Commonwealth
![Josef Mlot-Mroz being physically removed from demonstration outside the Federal Building during the sentencing of the "Boston Five" - Digital Commonwealth Josef Mlot-Mroz being physically removed from demonstration outside the Federal Building during the sentencing of the "Boston Five" - Digital Commonwealth](https://bpldcassets.blob.core.windows.net/derivatives/images/commonwealth:5138m1573/image_access_800.jpg)
Josef Mlot-Mroz being physically removed from demonstration outside the Federal Building during the sentencing of the "Boston Five" - Digital Commonwealth
![Josef Mlot-Mroz with racist sign outside the Federal Building in Boston during sentencing of the "Boston Five" - PICRYL - Public Domain Media Search Engine Public Domain Search Josef Mlot-Mroz with racist sign outside the Federal Building in Boston during sentencing of the "Boston Five" - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn27.picryl.com/photo/1968/01/01/josef-mlot-mroz-with-racist-sign-outside-the-federal-building-in-boston-during-a9dec6-1024.jpg)
Josef Mlot-Mroz with racist sign outside the Federal Building in Boston during sentencing of the "Boston Five" - PICRYL - Public Domain Media Search Engine Public Domain Search
Josef Mlot-Mroz being physically removed from demonstration outside the Federal Building during the sentencing of the "Boston Five" | DPLA
![Josef Mlot-Mroz holding a "Freedom for Poland" sign at the airport as Sen. Barry Goldwater arrives - Digital Commonwealth Josef Mlot-Mroz holding a "Freedom for Poland" sign at the airport as Sen. Barry Goldwater arrives - Digital Commonwealth](https://bpldcassets.blob.core.windows.net/derivatives/images/commonwealth:rb690m96v/image_access_800.jpg)