Guía de bolsillo para el observador de aves de España y EuropaPeter Hayman, Rob Hume · First published 2013Open the Tome
The Complete Guide to the Birdlife of Britain and EuropePeter Hayman, Rob Hume · First published 2001Open the Tome
Reconnaître les oiseaux sans peinePeter Hayman, Rob Hume, Marc Duquet · First published 1997Open the Tome
