Marxist or historical materialist historiography is a school of historiography influenced by Marxism. The chief tenets of Marxist historiography are the centrality of social class and economic constraints in determining historical outcomes. Historians who use Marxist methodology, but disagree with the mainstream of Marxism, often describe themselves as marxist historians (with a lowercase M). Methods from Marxist historiography, such as class analysis, can be divorced from the liberatory intent of Marxist historiography; such practitioners often refer to their work as marxian or Marxian.