21. One, a single fairlie R class number 28 ( of 1878 ) survives at Reefton. 22. Texts are listed by class number and instructor's name. 23. These were the P38 Class numbers P38.001 and P38.002. 24. However, this approach was not maintained, and the production types were allocated standard class numbers . 25. The product of two pitch classes is the product of their pitch-class numbers modulo 12. 26. Classes number about 25 cadets, small enough presumably for all members to know each other.27. The first 30 complex cubic fields ( ordered by discriminant ) have class number one. 28. Hello, I need to find a list of quadratic imaginary fields with class number 1. 29. The next complex cubic field ( of discriminant & minus; 283 ) has class number two. 30. Lower class numbers corresponded to more severe disability.