Citations:double-header

Australian Usage
"The first double header of the new baseball season was held at Ravendale on Friday night." [Port Lincoln Times] 03 Nov 2009

"NRL's double header almost sold out" [The Age], 14 Jul 2009

"Double Header: Leonie Cohen Trio + Jeremy Sawkins Trio" [Sydney Improvised Music Asociation], 19 Sep 2009