Johannes Gerardus Keulemans (Dutch, 1842-1912) and Henry Eeles Dresser (British, 1838-1915), Preparatory drawings for A Monograph of the Meropidae...
Johannes Gerardus Keulemans (Dutch, 1842-1912), A Wildtype and Golden Kea Perching on a Branch
Johannes Gerardus Keulemans (Dutch, 1842-1912), Banded Kaka, and Variety
Johannes Gerardus Keulemans (Dutch, 1842-1912), Bird on a Thistle
Johannes Gerardus Keulemans (Dutch, 1842-1912), Bird Study (double sided)
Johannes Gerardus Keulemans (Dutch, 1842-1912), Chaffinch
Johannes Gerardus Keulemans (Dutch, 1842-1912), Couple of Blackbirds Feeding Their Chicks
Johannes Gerardus Keulemans (Dutch, 1842-1912), Magpie on a Fence, 1882
Johannes Gerardus Keulemans (Dutch, 1842-1912), Malagasy Green Sunbird (Nectarinia notata)
Johannes Gerardus Keulemans (Dutch, 1842-1912), Scops Owl
Johannes Gerardus Keulemans (Dutch, 1842-1912), Seagulls
Johannes Gerardus Keulemans (Dutch, 1842-1912), Study of a bird
Johannes Gerardus Keulemans (Dutch, 1842-1912), Sun Birds
Johannes Gerardus Keulemans (Dutch, 1842-1912), Three Swallows
