Editing Soil classification (section)

=== Current national systems ===
* Agriculture Canada Expert Committee on Soil Survey. (1987). The Canadian system of soil classification (2nd ed.). Ottawa: Canadian Government Publishing Centre.
* Avery, B. W. (1980). Soil classification for England and Wales: higher categories. Cranfield, England: Cranfield University, Soil Survey & Land Research Centre/National Soil Resources Institute.
* Baize, D., & Girard, M. C. (Eds.). (1995). Référentiel pédologique 1995. Paris: Institut National de la Recherche Agronomique.
* Baize, D., & Girard, M. C. (Eds.). (1998). A sound reference base for soils: The "Référentiel Pédologique" (English translation by Hodgson J.M., Eskenazi N.R., & Baize D. ed.). Paris: Institut National de la Recherche Agronomique.
* Baize, D., & Girard, M. C. (Eds.). (2008). Référentiel pédologique, troisième édition. Association française pour l’étude du sol (Afes). Versailles, France.
* Hewitt, A. E. (1992). Soil classification in New Zealand: legacy and lessons. Australian Journal of Soil Research, 30, 843-854.
* Hewitt, A. E. (2010). New Zealand soil classification, third edition. Manaaki Whenua - Landcare Research. Lincoln, Canterbury, New Zealand.
* Isbell, R. F. and the National Committee on Soil and Terrain. (2016). The Australian soil classification, second edition. CSIRO. Clayton South, Victoria, Australia.
* Soil Classification Working Group. (2018). Soil classification: a natural and anthropogenic system for South Africa, third edition. Agricultural Research Council; Institute for Soil, Climate and Water. Pretoria, RSA.
* Soil Survey Staff. (1999). Soil taxonomy: a basic system of soil classification for making and interpreting soil surveys (2nd ed.). Washington, DC: US Department of Agriculture Soil Conservation Service.