山东聊城杨氏海源阁,是驰名中外的私人藏书楼。海源阁建成于清道光二十年(1840),位于聊城县城的西南隅,万寿观街东段路北杨宅第四进院内,是坐北朝南四间二层旧式楼房。楼下是杨氏家祠,楼上藏宋、元珍本故籍。二楼正中高悬杨以增手书“海源阁”巨幅匾额,匾 Liaocheng, Shandong Haiyuan Court, is well-known private collection of Chinese and foreign books. Haiyuan Pavilion built in the Qing dynasty twenty years (1840), located in the southwestern corner of Liaocheng County, east of Wanshouguan Street North Yang house fourth into the courtyard, is to sit four north-south two-story old buildings. Downstairs is the Young Temple, upstairs in Tibet, Yuan Zhen, the original books. The middle Yangzhong on the second floor to increase by hand “Haiyuan Club” huge plaque, plaque