*** Abstract

*** Introduction

*** I. Origins of anarcho-syndicalism

**** Revolutionary unionism and anarchism

**** Evolution of pre-war syndicalism and the attempt for international coordination

*** II. After the war and the revolutions, a redefining becomes imperative

**** War and revolutions

**** The Moscow International

**** Split and foundation of the IWA

*** III. International decline and Spanish zenith

**** Crisis, fascist regimes, united and popular fronts weaken anarcho-syndicalism

**** Spanish revolution’s lessons

*** Conclusion – Modern anarcho-syndicalism: integration or marginalisation, “pragmatism” or “orthodoxy”?

*** Appendix

**** List of abbreviations

**** The Author