Small non-passerine birds of the Lower Tertiary as exploiters of ecological niches now occupied by passerines

Birds of the British Lower Eocene

1977 • 101 citations

Birds of the British Upper Eocene

1976 • 44 citations

Geographic and climatic relationships of avifaunas with special reference to comparative distribution in the neotropics

1976 • 40 citations

<i>Neanis schucherti</i> Restudied: Another Eocene Piciform Bird

1976 • 5 citations