This book serves as a detailed catalogue of the library of Michael Lort, compiled for auction by Leigh and Sotheby in 1791. It presents a comprehensive inventory of Lort's collection, offering insight into the scholarly interests and material culture of the late 18th century. The catalogue itself is a primary source document, reflecting the practices of book sales and collection cataloging of the era.

As a facsimile reprint of a historical auction catalogue, this work is primarily of interest to bibliophiles, historians of the book, and scholars studying Michael Lort or the book trade of the late 18th century. The value lies in its documentary nature, preserving a record of a significant private collection. Its reception is therefore within specialized academic and collecting communities, where such primary source materials are highly regarded for their historical and research utility.