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ALL Biological Properties: Specimens & Artifacts of PostNatural History Birdlike & Wingless: Commercially Sold Bird-Human Audio Recordings (1905 - 1942)Collateral Descendants: The American Eugenics Movement (1880 - 1946)Dawn of the Anthropocene: Artifacts from the Philadelphia Commercial Museum (1893)Fanciers: Publications by Breeding Enthusiast Communities (1880 - Present)Fun Facts: Natural & PostNatural Collector Cards (1880 - 2009)Just Add Water: The Yolanda Signorelli Sea-Monkey Collection

Dawn of the Anthropocene: Artifacts from the Philadelphia Commercial Museum (1893) - Center for PostNatural History

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