Advantages of Chequers book charging system in library science

The advantage of this system is that it provides a permanent record of all the books borrowed by a particular reader over a period of time. But, like Day Book System, it also takes much time in charging a document. It is difficult to know to whom a particular book is issued.

martin luther believed that selling indulgences was wrong and gave people a license to sin. the roman catholic church used the practice of indulgences to raise money for major building projects.