从《中图法》三版“家庭、婚姻、恋爱”类目的设置谈这类书的分类中国矿业大学图书馆关于家庭、婚姻、恋爱问题，在《中图法》三版及二版中各有四个近似的类目，横跨了哲学、社会科学总论和政治法律三个大类。修订后的三版将类目进一步扩充，使之更为明确、细微。但由于类... The classification of such books is based on the setting of categories such as “Family, Marriage, Love” in the third edition of “Chinese Library Classification”. China University of Mining and Technology Library on family, marriage and love issues, each in the third and second editions There are four similar categories, across the three major categories of philosophy, social sciences and political law. The revised third edition further expands the category to make it more specific and subtle. But because of class ...