（原文）
U.S.P.O.Box732，Shanghai,2/26/12
Dr.Sun Yet Sen，Nanking
Dear Dr.Sun，
I beg to offer you my hearty congratulations for your election to the Presidency of an new Republic.As a citizen of a most beloved country， I feel exceedingly happy at the coming of this new government， the result of your untiring efforts， you， from now on， we may be able to regain an ancient dignified position among the nation of the world.
I returned from the Straits about a week ago—coming on the same steam with your family.Your letter of recommendation did us a world of good; we had a very successful trip.Dr.S.C.Yin and Mr.Sun On Sien are the ones who helped us the work in Singapore.Altogether we expect to get at least $20,000 from Singapore.Dr.Yin requested me to give you his personal regards and congratulations.
I am now staying in Shanghai， doing nothing.If there is anything which I can serve my people and country， I should be glad to know.I am a civil engineer， graduate of Cornell and Purdue， my special work is along sanitary service.
With respect to Mrs.Sun and the Misses Sun.
I have the honor to be，Yours respectfully，
Yang Pao Ling (杨豹灵)
（译文）
上海美国邮政732号信箱，1912年2月26日
致孙逸仙博士，南京。
尊敬的孙博士：
谨对阁下当选新共和国总统表示衷心祝贺。作为一位深爱祖国的公民，对新政府的成立，我感到无比高兴，这是阁下不懈努力的结果。从今以后，我们又可恢复在世界民族之林悠久而崇高的地位。
约一周前，我从南洋回来——和您家人坐的同一艘船。您的推荐信帮了大忙；旅途非常愉快。颜博士和孙昂新先生在新加坡给我们的工作提供了极大的帮助。预计从新加坡共可得两万美元。颜博士要我转达他对您的祝贺与问候。
我现在上海无所事事。若能为公众、国家效劳，我非常乐意。我是一名土木工程师，毕业于康乃尔和普度大学，特长是公共卫生设施。
问候孙夫人和孙小姐们。
杨豹灵 s谨上