The Encyclopedia of Global Human Migration provides a complete exploration of the prominent themes, events, and theoretical underpinnings of the movements of human populations from prehistory to the present day. It includes thematic interpretations and theories of migration, as well as the significant contemporary scientific discoveries and scholarly interpretations that have reshaped the way historians and social scientists analyze and map the past.

The Encyclopedia of Political Thought examines the history of political thought, contemporary political theory, and political philosophy.

The entries range in size from shorter definitions and biographies to extended treatments of major topics and traditions, tracing the evolution of political thinking from antiquity to the present,

The Encyclopedia of Postcolonial Studies brings together the most wide-ranging and up-to-date scholarship ever assembled on the colonial, postcolonial and neo-colonial condition, covering the period from 1492 to the present.

The Encyclopedia of Ancient History is the only comprehensive collection of twenty-first century scholarship available on the entire ancient Mediterranean world. Our board of experienced and internationally diverse editors has collected over 5,000 original entries spanning the late Bronze Age through the seventh century CE.

Entries extend to all Mediterranean civilizations, including the Near East and Egypt, and represent an unprecedented level of coverage of the ancient world.

This online version updates twice annually; new entries added each summer and winter.

Statista - the Statistics Portal is one of the world’s largest statistics and market data platforms with access to more than 1 million statistics, forecasts, dossiers, reports and infographics on 80.000 topics from more than 22,000 sources.