Minecraft wiki entry for World_selection_menu, associated text: The World Selection screen before v0.7.0.
World Selection screen from v0.7.0 to v0.8.1.
World Selection screen in v0.11.0 (Moved the edit button).
The Realms screen when not logged in from v0.7.0 to v0.7.5.
The Realms screen when logged in from v0.7.0 to v0.7.5.
World Selection screen from 1.2.0.