1. See the various chapters in Guy Davidov & Brian Langille, The Idea of Labour Law (Oxford: Oxford University Press, 2011) [Davidov & Langille, Idea of Labour Law]; Hugh Collins, Gillian Lester & Virginia Mantouvalou, Philosophical Foundations of Labour Law (Oxford: Oxford University Press, 2018) [Collins, Lester & Mantouvalou, Philosophical Foundations].
2. Alan Bogg, ‘Labour, Love and Futility: Philosophical Perspectives on Labour Law’ (2017) 33:3 Intl J Comp Lab L & Ind Rel 7 [Bogg, ‘Labour, Love and Futility’].
3. Peter Birks, An Introduction to the Law of Restitution (Oxford: Clarendon Press, 1989) at 1. See also Hugh Collins, ‘Contractual Autonomy’ in Alan Bogg et al, eds, The Autonomy of Labour Law (Oxford: Hart/Bloomsbury, 2015) 45 at 45–6 [Collins, ‘Contractual Autonomy’; Bogg et al, Autonomy of Labour Law].
4. See Hugh Collins, ‘The Contract of Employment in 3D’ in David Campbell, Linda Mulcahy & Sally Wheeler, eds, Changing Concepts of Contract (Basingstoke, UK: Palgrave MacMillan, 2013) 65; Collins, ‘Contractual Autonomy,’ supra note 3 at 45–6; Douglas Brodie, ‘Relational Contracts’ in Mark Freedland et al, eds, The Contract of Employment (Oxford: Oxford University Press, 2016) 145; Mark Freedland et al, eds, Criminality at Work (Oxford: Oxford University Press, 2020).
5. Brian A Langille, ‘Seeking Post-Seattle Clarity-and Inspiration’ in Joanne Conaghan, Richard Michael Fischl & Karl Klare, eds, Labour Law in an Era of Globalization: Transformative Practices and Possibilities (Oxford: Oxford University Press, 2004) 137 at 152–5; Brian A Langille, ‘Core Labour Rights: The True Story (Reply to Alston) (2005) 16 EJIL 409 [Langille, ‘Core Labour Rights’]; Brian A Langille, ‘Labour Law’s Back Pages’ in Guy Davidov & Brian Langille, eds, Boundaries and Frontiers of Labour Law (Oxford: Hart Publishing, 2006) 23 [Langille, ‘Labour Law’s Back Pages’]; Brian A Langille, ‘Human Freedom and Human Capital’ in Tonia Novitz & David Mangan, eds, The Role of Labour Standards in Development (Oxford: Oxford University Press, 2011) 28; Brian A Langille, ‘Labour Law’s Theory of Justice’ in Davidov & Langille, Idea of Labour Law, supra note 1, 101 at 118–19, 128; Brian A Langille, ‘“Take These Chains from My Heart and Set Me Free”: How Labour Law Theory Drives Segmentation of Workers’ Rights’ (2015) 36 Intl L Comp Lab L & Pol’y J 257; Brian A Langille, ‘Human Development: A Way Out of Labour Law’s Fly Bottle’ in Collins, Lester & Mantouvalou, Philosophical Foundations, supra note 1, 87 [Langille, ‘Human Development’].