Select General Bibliography for Representative Poetry Online
- University, Johns Hopkins, The Lester S. Levy Collection of Sheet Music . http://levysheetmusic.mse.jhu.edu/ /Baltimore: Milton S. Eisenhower Library
- University, San Diego State, Poetry International . http://poetryinternational.sdsu.edu/ /
- University of Michigan Humanities Text Intiative, , American Verse Project . http://quod.lib.umich.edu/a/amverse/ /
- Untermeyer, Louis, Modern British Poetry . , 1920.
- Untermeyer, Louis, Modern American Poetry . , 1919.