Audience members (including Max Rieser?); Second International Congress of the International Union for the Philosophy of Science; Zurich Portraits Groups Men

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Audience members (including Max Rieser?); 3rd International Congress of Aesthetics; Venice Portraits Groups

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Studio portrait of Paula Pohl Rieser nee Wagner ; New York Portraits Women

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Portrait of Paula Pohl Rieser nee Wagner outdoors Portraits Women

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Portrait of Paula Pohl Rieser nee Wagner seated at an outdoor table Portraits Women

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Josef Rieser drinking the waters with an unidentified man in the streets of Marienbad, Czechoslovakia Portraits Men

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Rieser family portrait on the steps of an unidentified building Portraits Family

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Autographed portrait of expressionist painter Emil Luethy dedicated to Max Rieser Portraits Men

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Studio portrait of expressionist painter Emil Luethy; Basel Portraits Men

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Paula Pohl Rieser nee Wagner and Max Rieser Portraits Couples

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Paula Pohl Rieser nee Wagner with Ignaz Blumenfeld Portraits Groups

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Group portrait at the farewell banquet for Dr. William Antopol from the laboratory staff of Mount Sinai Hospital; Ken's Chop House, New York city Portraits Groups

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Portrait of unidentified man Portraits Men

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Portrait of unidentified girl; East Orange, New Jersey Portraits Children

Signed by photographer bottom right

Portrait of William and Charlotte Engel Levison Portraits Couples

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