孙中山一生照片,现在发现的有500多幅,这些历史照片的文字说明不但要有确实的年代,而且要有正确的地点和内容,才具有科学性和历史价值。否则,就难以披露史实真象而失却历史价值。为此,笔者于60年代初期在上海徐家汇藏书楼,翻查20世纪初期的《民立报》、《天铎报》、《申报》、《时报》、《民国日报》、《广州民国日报》等刊物,把所有孙中山革命活动情况的 Sun Yat-sen’s life photos are now found in more than 500 pieces, the text of these historical photographs not only have a precise description of the era, but also have the right place and content, only scientific and historical value. Otherwise, it is difficult to disclose the historical facts and lose the historical value. For this reason, in the early 1960s, the author searched the library books of Xujiahui in Shanghai and searched the “Minli Pao”, “Torah”, “Shenbao”, “Times”, “Republican Daily”, " Other publications, all the revolutionary activities of Sun Yat-sen