A Synoptical List of the Accipitres (Diurnal Birds of Prey), Vol. 3: Herpetotheres to Pernis Comprising Described Species and Subspecies, with Their C (Paperback)
A Synoptical List of the Accipitres (Diurnal Birds of Prey), Vol. 1: Sarcorhamphus to Accipiter, Comprising Species and Subspecies Described Up to 191 (Paperback)
A Synoptical List of the Accipitres (Diurnal Birds of Prey): Comprising Species and Subspecies Described Up to 1919, with Their Characters and Distrib (Paperback)
