Excerpts of the President's News Conference
I have had no discussions concerning any reservations to the peace treaty. I do not think any reservations ought to be attached to it. I can hardly comprehend the nature of any reservations that any one might think would be desirable. I think the treaty itself carries all the reservations that are necessary to protect our rights and protect our interests.
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/349279