Gathering information on library collections is of primary importance in research on the intellectual culture of past times. Studying the church book collections, including the parish ones, is especially significant as the basis of analyzing the intellectual state of the clergy environment in the period before the partitions. The canon of research frameworks includes the analyses of both selected individual book collections and larger resources within selected temporal and geographical spaces. An overall analysis of the subject still remains an open matter because of a lack of technical solutions which would allow a quantitative and qualitative analysis of abundant library resources. The problem is solved by a proposal of developing and making available the computer data base as a tool supporting the preparation of inventories and catalogues of the source material as well as making them accessible. Computer solutions also enable spatial visualization, which additionally enhances the effect of the new form of edition for library inventories