Catalogs
type: Concept
preferred label: Catalogues
broader: Astronomical reference materials

Almanacs
type: Concept
broader: Astronomical reference materials

Surveys
type: Concept
broader: Astronomical reference materials

Ephemerides
type: Concept
broader: Astronomical reference materials

Astronomy databases
type: Concept
broader: Astronomical reference materials

Finding lists
type: Concept
broader: Astronomical reference materials

Astronomical reference materials
type: Concept
narrower: Catalogs
narrower: Ephemerides
narrower: Astronomy databases
narrower: Calendars
narrower: Surveys
narrower: Star atlases
narrower: Finding lists
narrower: Finding charts
narrower: Almanacs
broader: Astronomical research

Calendars
type: Concept
broader: Astronomical reference materials

Star atlases
type: Concept
broader: Astronomical reference materials

Finding charts
type: Concept
broader: Astronomical reference materials

Astronomical research
type: Concept
narrower: Astronomical reference materials