source: Both names became defunct in 2007 when they were merged into The National Museum of Scotland.
target: Both names became unused when they joined The National Museum of Scotland.
references: Both names became unused when they joined The National Museum of Scotland. Both names became unusable in 2007 when they were combined into The National Museum of Scotland. Both names went away in 2007 when they were joined into the National Museum of Scotland. Both names stopped existing in 2007, when they were merged into The National Museum of Scotland. Both names stopped being used in 2007 when they were combined into The National Museum of Scotland. Both names became obsolete in 2007.  They were merged into The National Museum of Scotland. Both names were discontinued in 2007.  That year they joined and became The National Museum of Scotland. Both names were no longer used after 2007 when they merged into The National Museum of Scotland. Both names became defunct in 2007 when they merged into The National Museum of Scotland. The merged into The National Museum of Scotland in 2007.