[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Triangle Development, Washington DC Athenaeum of Philadelphia. Local ID #: P-860-001
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marine Terminals, Baltimore, MD Athenaeum of Philadelphia. Local ID #: P-860-005
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Marietta College, Marietta, Ohio Athenaeum of Philadelphia. Local ID #: P-860-006
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[Photos of Models by Bertram L. Keyes] Savings Fund Society of Germantown, PA Athenaeum of Philadelphia. Local ID #: P-860-007
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[Photos of Models by Bertram L. Keyes] Savings Fund Society of Germantown, PA Athenaeum of Philadelphia. Local ID #: P-860-007
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[Photos of Models by Bertram L. Keyes] Savings Fund Society of Germantown, PA Athenaeum of Philadelphia. Local ID #: P-860-007
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[Photos of Models by Bertram L. Keyes] Savings Fund Society of Germantown, PA Athenaeum of Philadelphia. Local ID #: P-860-007
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[Photos of Models by Bertram L. Keyes] Savings Fund Society of Germantown, PA Athenaeum of Philadelphia. Local ID #: P-860-007
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[Photos of Models by Bertram L. Keyes] Savings Fund Society of Germantown, PA Athenaeum of Philadelphia. Local ID #: P-860-007
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