"Between 1852 and 1892, only fourteen volumes were issues, but since 1894 a new edition has been published annually, except in 1921-1922, when two years were incorporated in on volume. The issue for 1952 is the 72nd volume of the series.".

"This is the centenary year of the Directory. As the 'Belfast and Province of Ulster Directory' it was first published in May 1852, and in an introductory note the publisher (James Alexander Henderson, proprietor of the 'Belfast News-Letter') stated that it was intended to issue it periodically, with such alterations and improvements as may be necessary, until the work shall become a standard book of reference for Belfast and the North of Ireland.". "Between...