030
General encyclopedic works
031
General encyclopedic works -- American
032
General encyclopedic works in English
033
General encyclopedic works in other Germanic languages
034
General encyclopedic works in French, Provencal, Catalan
|
035
General encyclopedic works in Italian, Romanian, Rhaeto-Romanic
036
General encyclopedic works in Spanish & Portuguese
038
039
General encyclopedic works in other languages
|
