In the literature of knowledge organization, metaphors and images such
as 'tree of knowledge', 'map of knowledge' or the 'world as a network
' play an important role. This imagery although not yet thoroughly doc
umented - should be examined from the various points of view of episte
mology, the typology of metaphors, discourse analysis, metaphorology a
nd iconography. The crucial point: Not only knowledge as such, but als
o its organization, is an essential part of our cultural heritage.