Letter from G A Fairbairn to W R Lang (c1940's), discussing wool samples of corriedale merino crosses for testing.wool - research wool - testing sheep breeding - history corriedale sheep - history world war ii sheep - blowfly strike sheep - diseases, gordon institute of technology, lang, dr w. roy fairbairn, mr g a - graziers' association of central and northern queensland, logan downs clermont, queensland, wool - research, wool - testing, sheep breeding - history, corriedale sheep - history, world war ii, sheep - blowfly strike, sheep - diseases