"The Emerald City of Oz was first published in 1910; The Patchwork Girl of Oz was first published in 1913; Tik-Tok of Oz was first published in 1914; The Scarecrow of Oz was first published in 1915; Rinkitink in Oz was first published in 1915"--Reverse of title page.

The Emerald City of Oz -- The patchwork girl of Oz -- Tik-Tok of Oz -- The scarecrow of Oz -- Rinkitink Oz.