What has the author Hans Hvass written?

Answer 1

Hans Hvass has written:

'Birds of the world in color' -- subject(s): Birds

'The illustrated book about reptiles and amphibians of the world' -- subject(s): Reptiles, Amphibians

'Havens og skovens fugle' -- subject(s): Birds, Pictorial works

'Birds of the world' -- subject(s): Birds, Pictorial works

'Fishes of the world' -- subject(s): Fishes

'Dyrene derude' -- subject(s): Wildlife watching

'Animaux en couleurs'

'Reptiles and amphibians of the world' -- subject(s): Amphibians, Reptiles

'Les poissons' -- subject(s): Fishes, Pictorial works

'Strandens, markens og mosens fugle' -- subject(s): Birds

'Fugle i farver' -- subject(s): Birds