Samuel F. B. Morse: Imminent Dangers to the Free Institutions of the United States(1835)
No. I: Introductory Remarks
The great question regarding Foreigners, and a change in our Naturalization laws, is a National question, and at this time a very serious one. . . .
The danger to which I would call attention is not imaginary. It is a danger arising from a new position of the social elements in the onward march of the world toward liberty. The great struggle for some years has till now been principally confined to Europe. But we cannot exclude, if we would, the influence of foreign movements upon our own political institutions, in the great contest between liberty...
Source: Imminent Dangers to the Free Institutions of the United States through Foreign Immigration. New York: John F. Trow, 1854.