Oxygen compounds
notation: QD412.O1
notation: TP245.O9
notation: QD181.O1
notation: QD405
type: Concept

Oxides
notation: QD341.E7
notation: QC463.E7
notation: QD305.E7
notation: QD389.5
modified: 2012-07-18T06:33:44
in scheme: lcsh
created: 1986-02-11T00:00:00
broader: Oxygen compounds
broader: Chalcogenides
member: collection SubdivideGeographicalIndirect
member: collection LCSH General
member: collection LCSHAuthorizedHeadings
type: Concept

Chalcogenides
notation: QD169.C5
type: Concept