BP Islam. Bahaism. Theosophy, etc 1 Chinese language 1 Comparative grammar 1 Elementary or public school education. Elementary school teaching 1 Grammar. Theory. Terminology, etc 1 Interactive multimedia 1 LB Theory and practice of education 1 LG Individual institutions 1 Language and languages 1 Language, grammar, composition, etc. The teaching of the mother tongue 1 Language. Linguistic theory. Comparative grammar 1 NC Drawing Design Illustration 1 P1-1091 Philology. Linguistics(General) 1 Philosophy, origin, etc. of language 1 Study and teaching. Research 1 Style. Composition. Rhetoric 1 TH Building construction 1 TJ Mechanical engineering and machinery 1 Teaching aids and devices 1