<span>Typed card from M. L. Fowler to Charles F. Brush, Sr., stating that President King appreciated receiving a copy of Brush's third </span><span>paper on Gravitation. 2009-05-21Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 2: Acknowledgments (1921-1929)Box 3Folder 1</span>