L. Frank Baum (2008). “7 Books in 1: L. Frank Baum's "Oz" Series, Volume 1 of 2. the Wonderful Wizard of Oz, the Marvelous Land of Oz, Ozma of Oz, Dorothy”, p.73, Shoes & Ships & Sealing Wax
L. Frank Baum (2008). “7 Books in 1: L. Frank Baum's "Oz" Series, Volume 1 of 2. the Wonderful Wizard of Oz, the Marvelous Land of Oz, Ozma of Oz, Dorothy”, p.29, Shoes & Ships & Sealing Wax
L. Frank Baum (2008). “7 Books in 1: L. Frank Baum's "Oz" Series, Volume 1 of 2. the Wonderful Wizard of Oz, the Marvelous Land of Oz, Ozma of Oz, Dorothy”, p.53, Shoes & Ships & Sealing Wax
L. Frank Baum (2016). “THE WONDERFUL WIZARD OF OZ – Complete Collection: 16 Novels in One Premium Edition (Fantasy Classics Series): The most Beloved Children’s Books about the Adventures in the Magical Land of Oz”, p.13, e-artnow
L. Frank Baum (2008). “7 Books in 1: L. Frank Baum's "Oz" Series, Volume 1 of 2. the Wonderful Wizard of Oz, the Marvelous Land of Oz, Ozma of Oz, Dorothy”, p.16, Shoes & Ships & Sealing Wax
L. Frank Baum (2008). “8 Books in 1: L. Frank Baum's "Oz" Series, Volume 2 of 2. Little Wizard Stories of Oz, Tik-Tok of Oz, The Scarecrow Of Oz, Rinkitink In Oz, The Lost Princess Of Oz,”, p.124, Shoes & Ships & Sealing Wax
L. Frank Baum (2008). “8 Books in 1: L. Frank Baum's Original "Oz" Series, Volume 2 of 2. Little Wizard Stories of Oz, Tik-Tok of Oz, The Scarecrow Of Oz, Rinkitink In Oz, The Lost Prince”, p.232, Shoes & Ships & Sealing Wax
L. Frank Baum (2008). “7 Books in 1: L. Frank Baum's "Oz" Series, Volume 1 of 2. the Wonderful Wizard of Oz, the Marvelous Land of Oz, Ozma of Oz, Dorothy”, p.27, Shoes & Ships & Sealing Wax
L. Frank Baum (2008). “7 Books in 1: L. Frank Baum's "Oz" Series, Volume 1 of 2. the Wonderful Wizard of Oz, the Marvelous Land of Oz, Ozma of Oz, Dorothy”, p.19, Shoes & Ships & Sealing Wax