See and use Geynyan D36.
The language that Crowley (1978) called 'Warwick dialect' is called Geynyan by older Gidhabal people (now deceased), according to Sharpe (2005).
... about Allora, Killarney and generally the source of the Condamine and Logan Rivers (Mathews in Crowley 1978:153).
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Speaker numbers were measured differently across the censuses and various other sources listed in AUSTLANG. You are encouraged to refer to the sources.
Speaker numbers for ‘NILS 2004’ and ‘2005 estimate’ come from 'Table F.3: Numbers of speakers of Australian Indigenous languages (various surveys)' in 'Appendix F NILS endangerment and absolute number results' in McConvell, Marmion and McNicol 2005, pages 198-230 (PDF, 2.5MB).