Our publications are distributed in many different global cultural, environmental and economic contexts. We may therefore issue different versions of some of our products in order to cater to these contexts. We neither modify existing, published content nor originate new materials to meet political or ideological requirements where we judge these to compromise the quality, effectiveness or factual accuracy of the materials or to conflict with our Code of Ethics.

We grant licences in volume and subsidiary rights to third-parties which permit the reproduction, reuse or adaptation of our content in different contexts, languages and territories. Where we license volume rights, we and our authors retain the right to withhold approval for publication if we have concerns about the integrity and accuracy of the licensed edition.