由于研究需要,笔者很是注意收藏有关东北史方面的工具书,目录索引一类当然是重中之重。这一类图书是检索文献的重要工具,对学术研究帮助很大。据笔者个人所知,如果加上论著、期刊中的简明索引,东北史方面的索引目录大约近30种。这些索引目录有些是公开出版的,有些则是内部的参考资料,各有侧重,收录虽不完备,但可互 Due to the research needs, the author is very much concerned about the collection of books on the history of the Northeast, directory index of course, is a top priority. This type of book is an important tool for searching the literature and is of great help to academic research. According to my personal knowledge, if you add the treatises, the concise index in journals and index directories in northeastern history are about 30 kinds. Some of these indexed catalogs are published in public, some are internal reference materials, each with its own focus. Although incomplete,