The Status of Avian Systematics and Its Unsolved Problems

A Phylogeny of the Oscines

1953 • 152 citations

A classification of Recent birds. American Museum novitates ; no. 1496

1951 • 123 citations

The birds of southern Veracruz, Mexico

1943 • 69 citations

A dictionary of birds

1893 • 65 citations

The Bony Palate of Birds. Part I. The Palaeognathae

1948 • 60 citations

Comments on Some Recent Studies of Song Bird Phylogeny

1955 • 51 citations

The Evolution of Ratites

1956 • 50 citations

The Pelecaniform characters of the skeleton of the Shoe bill Stork, Balaeniceps rex

1957 • 45 citations

A generic review of the plovers lCharadriinaec Avesr

1958 • 36 citations

Colymbus, Hesperornis, Podiceps: ein Vergleich ihrer hinteren Extremität

1935 • 31 citations

Beitrag zur Stammesgeschichte der Ratiten. Vergleich zwischen Emu-Embryo und entsprechendem Carinatenstadium

1942 • 27 citations

On the Relations of the Gruimorphœ to the Charadriimorphœ and Rallimorphœ, with special reference to the Taxonomic Position of Rostratulidæ, Jacanidæ, and Burhinidæ (Œicnemidæolim); with a suggested new Order (Telmatomorphse)*

1931 • 24 citations

�ber die Deszendenz und die Differenzierung der Mallophagen

1957 • 23 citations

IV. On the Systematic Position of the Swifts (Suborder Cypseli) and Humming‐Birds (Suborder Trochili), with special reference to their Relation to the Order Passeriformes

1939 • 21 citations

On the Anatomy and Systematic Position of the Madagascan Bird Mesites* (Mesœnas), with a Preliminary Note on the Osteology of Manias.

1924 • 20 citations

Notes on the Systematic Position of Ortyxelus, together with some remarks on the relationships of the Turnicomorphs and the position of the Seed-Snipe (Thinocoridae) and Sand-Grouse.

1923 • 14 citations

The Systematic Position of the Bird Genus Apalopteron

1958 • 11 citations

Die Syrinx einiger Singvögel aus Neu-Guinea

1931 • 7 citations