--subdivision Education (Secondary) under classes of persons and ethnic groups; and subdivision Study and teaching (Secondary) under names of individual corporate bodies, names of places, ethnic groups, and topical headings, e.g. Science--Study and teaching (Secondary)
--subdivision Supplementary employment under classes of persons and ethnic groups; and subdivision Officials and employees--Supplementary employment under names of countries, cities, etc., and under individual government departments, agencies, etc.
Here are entered works on financing the purchase of real property by means of loans secured by mortgages. Legal works on interests in land created by written instruments providing security for the performance of a duty or the payment of a debt, as well as works on mortgages as securities, are entered under Mortgages.
