books (publishing)
type: Concept
narrower: handbooks

practical manuals
type: Concept
broader: handbooks

handbooks
narrower: procedure manuals
narrower: practical manuals
narrower: identification manuals
broader: books (publishing)
type: Concept

identification manuals
type: Concept
broader: handbooks

concepts
type: Collection
type: ConceptGroup
member: handbooks

procedure manuals
type: Concept
broader: handbooks