...
BIB Fields:
6XX: 653
8XX: 899
9XX: 900 , 901, 902 , 903, 905, 906 , 910 , 911, 920, 922, 930, 935, 936, 938, 945, 946, 947, 948, 948h, 949, 950, 952 , 955, 960, 966 , 975 , 976 , 980, 981 , 983, 985, 987, 988, 990 , 991 , 994, 995, 998, 999
MFHD Fields:
6XX: 653
8XX: 899
9XX: 900, 901, 901$c, 902, 903, 905, 906, 910, 911, 920, 922, 930, 935, 936, 938, 945, 946, 947, 948, 948h, 949, 950, 952, 955, 960, 966, 975, 976, 980, 981, 983, 985, 987, 990, 991, 995, 998, 999
...