The Historical International Standard of Classification of Occupations or HISCO is a theoretical model used to code social class and occupational status. Formulated in 2002, the model complements the ILO's ISCO68 scheme, as it prescribes a universal code system for examining occupation descriptions.
- Leeuwen, M.H.D.; Maas, I (2010). "Historical Studies of Social Mobility and Stratification" (PDF). Annual Review of Sociology. 36: 429–451. doi:10.1146/annurev.soc.012809.102635.