This section is from the book "Cyclopedia Of Architecture, Carpentry, And Building", by James C. et al. Also available from Amazon: Cyclopedia Of Architecture, Carpentry And Building.
38. The principal cementing materials are Common Lime, Hydraulic Lime, Pozzuolana, Natural Cement, and Portland Cement. There are a few other varieties, but their use is so limited that they need not be considered here.