Excerpts of the President's News Conference
There hasn't been any agreement reported to me on the immigration bill. Of course it needs to be kept in mind that we have exclusion now under the so-called Gentlemen's Agreement, so far as I know, and no one is suggesting that that be changed. That is what I mean when I say there is a general acceptance of the principle of exclusion.
Source: "The Talkative President: The Off-the-Record Press Conferences of Calvin Coolidge". eds. Howard H. Quint & Robert H. Ferrell. The University Massachusetts Press. 1964.
Calvin Coolidge, Excerpts of the President's News Conference Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/349052