Birds of ShetlandPete Ellis, Paul Harvey (undifferentiated), Martin Heubeck, Dave Okill, Kevin Osborn, Mike Pennington, Roger Riddington · First published 2004Open the Tome
Rare plants of ShetlandWalter Scott, Paul Harvey, Roger Riddington, Morag Fisher · First published 2002Open the Tome
Some aspects of the dispersal and post-fledging ecology of a population of Great tits (Parus major)Roger Riddington · First published 1992Open the Tome
