藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依來源區分之材料>
....................<生物材料>
........................動物材料
............................<角蛋白材料>
................................<毛髮與毛髮構造>
....................................毛髮
........................................<依形式區分之毛髮>
............................................羊毛
|||................................................羊駱毛 (纖維)
|||................................................安哥拉山羊毛
|||................................................喀什米爾羊毛 (羊毛)
|||................................................羔羊毛
|||................................................馬海毛
|||................................................北極金羊毛
|||................................................初剪羊毛
|||............................................剛毛