Nicholls , DavidDopita, MichaelSutherland, RalphJerjen, HelmutKewley, LisaBasurah, Hassan2015-12-130004-637Xhttp://hdl.handle.net/1885/75787In this paper we present the results of observations of 17 HII regions in thirteen galaxies from the SIGRID sample of isolated gas-rich irregular dwarf galaxies. The spectra of all but one of the galaxies exhibit the auroral [O III] 4363 Å line, from whiAuthor/s retain copyrightMetal-poor dwarf galaxies in the sigrid galaxy sample. I. H II region observations and chemical abundances201410.1088/0004-637X/786/2/1552015-12-11