"The Catalogue ... has been prepared with a view to accomplish two objects. One, to offer an inventory of all the books on the shelves of the Reference Department of the Manchester Free Library: the other, to supply ... a ready Key both to the subjects of the books, and to the names of the authors." - v. 1, the compiler to the reader.

A monthly book announcement and review journal. Considered to be the first periodical in England to offer reviews. In each issue the longer reviews are in the front section followed by short reviews of lesser works. It featured the novelist and poet Oliver Goldsmith as an early contributor. Griffiths himself, and likely his wife Isabella Griffiths, contributed review articles to the periodical. Later contributors included Dr. Charles Burney, John Cleland, Theophilus Cibber, James Grainger, Anna Letitia Barbauld, Elizabeth Moody, and Tobias Smollet.