Torthaí cuardaigh - "Reference books Bibliography."
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Reference works: history and related fields with research news on the social sciences and humanities
Foilsithe / Cruthaithe 1967LEABHAR -
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Government reference books 72/73 : a biennial guide to U.S. Government Publications
Foilsithe / Cruthaithe 1974LEABHAR -
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Guide to reference material. With the assistance of L. M. Payne.
Foilsithe / Cruthaithe 1959LEABHAR