| 2025-03-30 | Author who originally intended his pen name to rhyme with "voice," though Americans pronounced it differently |
| 2023-05-05 | Creator of Aunt Annie and Benjamin B. Bickelbaum |
| 2023-04-03 | Creator of Horton the Elephant and Yertle the Turtle |
| 2015-10-29 | Source of the line "There is no one alive who is you-er than you!" |
| 2014-07-18 | Who wrote "Unless someone like you cares a whole awful lot, nothing is going to get better. It's not" |
| 2012-07-06 | Writer who coined the word "nerd" |
| 2010-07-31 | One of his aliases was Theo. LeSieg |
| 2009-10-09 | "Oh Say Can You Say?" author |
| 2006-11-11 | "The King's Stilts" author, 1939 |
| 2004-03-02 | Writer born March 2, 1904 |
| 2003-05-13 | "Yertle the Turtle" author |
| 2001-12-07 | "My Many Colored Days" author |
| 2001-04-07 | The Sneetches' creator |
| 2000-09-11 | "The Cat in the Hat" writer |
| 1999-08-14 | "There's a Wocket in My Pocket" author |
| 1998-10-23 | Writer on Mulberry Street |
| 1998-09-12 | "The King's Stilts" author |
| 1998-02-08 | Some kids' bedtime reading |
| 1997-10-17 | Lorax creator |
| 1993-12-29 | "Hunches in Bunches" author |