在清代各大藏书楼中，海源阁是北方地区唯一可以与铁琴铜剑楼、宋楼、八千卷楼相提并论的有影响的私家藏书楼。它的地位，与程氏的铁琴铜剑楼在伯仲之间，故而当时就有南望北杨之说。海源阁，由山东聊城杨以增创建。杨以增，字益之，号致堂，别号东樵。道光二年进土，官至两湖 In the major collections of the Qing Dynasty, Haiyuan Pavilion was the only influential private library in the north that could compare with the Gablet, Songlou, and 8,000 volumes. Its status, and Cheng’s gilt bronze sword floor in between, so at that time there is a south look north Yang said. Haiyuan Court, by the Liaocheng in Shandong to create by increasing. Yang to increase, the word of the benefits, No. induced Tong, alias Dongqiao. Daoguang two years into the soil, officials to the two lakes