Date of Publication January 1, 1976 Estimates of Annual Net Migration and their Relationship with Series on Annual Net Passenger Movement: Ireland 1926-76 Memorandum Series
Date of Publication January 1, 1975 An Economic Evaluation of Irish Salmon Fishing: General Summary of Results Memorandum Series
Date of Publication January 1, 1975 Research Methodology: Some Illustrative Studies Memorandum Series
Date of Publication January 1, 1975 The Foyle Fishery: Economic Aspects of Management (Lecture in Omagh, 15 October 1975) Memorandum Series