(C) Japanese/English contrastive analysis; (G) structure; (H) historical change; (K) history of Japanese language studies (Kokugo-gakushi); (M) morphophonemics; (P) pedagogy; (S) sociolinguistics. Pre: 451, or 601 and 602 for (C); 634 for (G); 631 for (H) and (K); 601 for (M); 632 for (P); and 633 for (S).