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Blackboard - Ontify
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Blackboard
Chalkboard
Reusable writing surface.
Wikipedia | Blackboard
Statements about
Blackboard
External Pages About Blackboard
U.S. National Archives
KBpedia
Google Knowledge Graph
WordNet 3.1 Synset
Dewey Decimal Classification
Image
Subclass Of
Painting Material
Instructional Materials
Presentation Supply
Q115753257
Described by Source
National Encyclopedia of Uzbekistan
Meyers Konversations-Lexikon, 4th Edition (1885–1890)
Instance Of
Product Category
Subject Named As
:
Lavh
Statement Is Subject Of
:
Q112793888
Wikidata
