ArchitectCharles A. PlattAmerican landscape architect (1861-1933), 1861–1933Photograph of one of their buildings · Dori · CC BY-SA 3.0 us · Wikimedia Commons2 buildingsUnited StatesFurther readingWikipedia article↗BuildingsLouise Freer HallUrbana, United StatesTregaron EstateWashington, D.C., United States