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Hal N. Opperman

J.B. Oudry 1686-1755
Jean-Baptiste Oudry: Sixteen Eighty-Six to Seventeen Fifty-Five
Jean-Baptiste Oudry: 1686-1755
Birds of the Pacific Northwest A Photographic Guide
Birds of the Willamette Valley Region
Birds of the Puget Sound Region Coast to Cascades
A Birder's Guide to Washington