The following publications are possibly variants of this publication:
- The Category Theoretic Understanding of Universal Algebra: Lawvere Theories and MonadsMartin Hyland, John Power. ENTCS, 172:437-458, 2007. [doi]
- Category Theoretic Understandings of Universal Algebra and its Dual: Monads and Lawvere Theories, Comonads and What?Mike Behrisch, Sebastian Kerkhoff, John Power. ENTCS, 286:5-16, 2012. [doi]
- Countable Lawvere Theories and Computational EffectsJohn Power. ENTCS, 161:59-71, 2006. [doi]
- Discrete Lawvere theories and computational effectsMartin Hyland, John Power. TCS, 366(1-2):144-162, 2006. [doi]