my favorite American Poems of the 20th century(--favorite at the top, 10th favorite at the bottom):

Still I Rise by Maya Angelou:
http://www.poemhunter.com/poem/still-i-rise/


Let America be America Again by Langston Hughes:
http://www.poets.org/viewmedia.php/prmMID/15609


The Road Not Taken by Robert Frost:
http://www.bartleby.com/119/1.html


Howl by Allen Ginsberg:
http://www.poets.org/viewmedia.php/prmMID/15308


Mother to Son by Langston Hughes:
http://www.poemhunter.com/poem/mother-to-son/

This is Just to Say by william Carlos Williams:
http://www.poets.org/viewmedia.php/prmMID/15535


The Red Wheelbarrow by william Carlos Williams:
http://www.poets.org/viewmedia.php/prmMID/15537


The Sun by Mary Oliver:
http://www.panhala.net/archive/the_sun.html

Happiness by Mary Oliver:
http://www.poetrycat.com/mary-oliver/happiness


Hug O'War by Shel Silverstein:
http://www.neverhitachild.org/shel.html

(The links are shown because the format didn't transfer onto this blog.)