P501-769 Indo-European (Indo-Germanic) philology
PD1-(7159) Germanic
- PD1-780 General
- PD1001-1350 Old Germanic dialects
- PD1101-1211 Gothic
PD1501-(7159) North Germanic. Scandinavian
- PD2201-2393 Old Norse. Old Icelandic and Old Norwegian
- PD2401-2446 Modern Icelandic
- PD(2501)-2999 Norwegian
- PD3001-3929 Danish
- PD5001-5929 Swedish
- PD(6000)-(7159) Scandinavian dialects, Modern
PF1-5999 West Germanic
- PF1-979 Dutch
- PF1001-1184 Flemish
- PF1401-1541 Friesian
PF3001-5999 German
- PF3801-3991 Old High German
- PF3992-4010 Old Saxon
- PF4043-(4350) Middle High German
- PF(4501)-(4596) Early Modern German
- PF5000-5951 Dialects. Provincialism, etc.
- PF5971-5999 Slang. Argot, etc.