الأصناف الرئيسية
2X
الأقسام
الفروع
- 060General organizations & museum science4
- 061Organizations in North America
- 062Organizations in British Isles; in England
- 063Organizations in central Europe; in Germany
- 064Organizations in France & Monaco
- 065Organizations in Italy & adjacent islands
- 066Organizations in Iberian Peninsula & adjacent islands
- 067Organizations in eastern Europe; in Russia
- 068Organizations in other geographic areas
- 069Museum science