Letter from A L B Lefroy to W R Lang 29th July, 1939, discussing the wool industrywool - research wool - testing sheep breeding - history peppin-merino sheep world war ii, gordon institute of technology, lang, dr w. roy lefroy, mr a l b, wool - research, wool - testing, sheep breeding - history, peppin-merino sheep, world war ii

Letter from E H B Lefroy to W R Lang c1942, discussing the wool industrywool - research wool - testing sheep breeding - history peppin-merino sheep world war ii, gordon institute of technology, lang, dr w. roy lefroy, mr a l b, cranmore park, western australia, wool - research, wool - testing, sheep breeding - history, peppin-merino sheep, world war ii

Letter from E H B Lefroy to W R Lang 16th November 1941, discussing wool characteristics and research.wool - research wool - testing sheep breeding - history peppin-merino sheep world war ii, gordon institute of technology, lang, dr w. roy lefroy, mr e. h.b., cranmore park, western australia, wool - research, wool - testing, sheep breeding - history, peppin-merino sheep, world war ii

Letter from E H B Lefroy to W R Lang 1st December 1941, discussing wool samples for testing.wool - research wool - testing sheep breeding - history peppin-merino sheep world war ii, gordon institute of technology, lang, dr w. roy lefroy, mr e. h.b. kelley, mr r. b., cranmore park, western australia, wool - research, wool - testing, sheep breeding - history, peppin-merino sheep, world war ii