The Species Problem : A Philosophical Analysis

by: Richards, Richard A.
Published: Cambridge : Cambridge University Press, 2010

Biological classification : a philosophical introduction

by: Richards, Richard A.
Published: Cambridge : Cambridge University Press, 2016

The biology of art

by: Richards, Richard A.
Published: Cambridge : Cambridge University Press, 2019

Wilkins, John S, and Ebach, Malte C, (2014) The Nature of Classification: Relationships and Kinds in the Natural Sciences

by: Richards, Richard A.
Published in: Science & education (2014)

John S. Wilkins: Species: A History of the Idea

by: Richards, Richard A.
Published in: Science & education (2012)

Identification of several wheat landraces with biological nitrification inhibition capacity

by: O’Sullivan, Cathryn A.
Published in: Plant and soil (2016)