Johnson, C. J. (1997). Olmsted in the Pacific Northwest: Private estates and residential communities, 1873-1959 : an inventory. Friends of Seattle's Olmsted Parks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, Catherine Joy. Olmsted in the Pacific Northwest: Private Estates and Residential Communities, 1873-1959 : An Inventory. Seattle, Wash.: Friends of Seattle's Olmsted Parks, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnson, Catherine Joy. Olmsted in the Pacific Northwest: Private Estates and Residential Communities, 1873-1959 : An Inventory. Friends of Seattle's Olmsted Parks, 1997.
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