Light
type: Concept

Radiation
notation: QC474-QC496
type: Concept

X-rays
notation: QC480-QC482.3
type: Concept

N-rays
member: collection LCSH General
member: collection LCSHAuthorizedHeadings
broader: Radiation
broader: X-rays
broader: Light
notation: QC485
notation: RM862.N2
type: Concept
in scheme: lcsh
created: 1986-02-11T00:00:00

Light
notation: QC350-QC467
type: Concept