Crossword clues for Branch of knowledge. 3 lettersAnswerClueLAWBranch of knowledge.ARTBranch of knowledge.SCIBranch of knowledge: Abbr.OLOGYBranch of knowledge: Colloq.SCIENCEBranch of knowledgeOLOGYBranch of knowledge (suffix)OLOGYBranch of knowledge, facetiouslyFIELDSBranches of knowledgeOLOGYBranch of knowledge, humorously.OLOGYBranch of knowledge