Someone wrote an article on a similar theme a while ago.

Most of the questions people ask me have similar themes.

I think it's just another game with a similar theme.

Here are another couple of good ideas on a similar theme.

Land of the Lost: another 1974 show with a similar theme.

Several more with similar themes will appear in the next weeks.

The park offers environmental education programs based on similar themes.

A longer book on a similar theme is currently under way.

She wrote various articles during the war on similar themes.

Her other novels have similar themes and are all set in the South.