Irish Astronomical Society.
Irish Astronomical Society records, 1958-1969.
12 files of the Irish Astronomical Society including correspondence, accounts, etc.
Societies (Academies and learned societies) -- Northern Ireland -- 20th century.
Astronomy -- Societies, etc. -- Northern Ireland -- 20th century.
Accounts. aat
AIP-ICOS
Public Record Office of Northern Ireland. 66 Balmoral Avenue, Belfast BT9 6NY, Ireland