Lists of aliens arriving at Laredo, Texas, from July 1903 to June 1907, via the Mexican National Railroad or the Laredo foot bridge

Information recorded about persons entering the U.S. incuded: name in full, age (yrs., mos.), married or sinsgle, calling or occupation, able to read/write, nationality (country of which citizen or subject), race of people, last residence (province, city, or town), final destination (state, city, or town), whether having a ticket to final destination, by whom was passage paid?, whether in possession of $50 and if less how much?, whether ever before in the United States and if so when and where, whether going to join a relative or friend and if so what relative or friend and his name and complete address, ever in prison or almshouse or institution for care and treatment of the insane or supported by charity (if so which?), whether a polygamist, whether an anarchist, whether coming by reason of any offer solicitiation promise or agreement exress or implied to labor in the United States, condition of health mental and physical, deformed or crippled (nature, length of time, and cause)