▁the ▁' Austral as ian ▁Group ' ▁- ▁who ▁regarded ▁themselves ▁as ▁ex iles ▁- ▁but ▁retained ▁an ▁interest ▁in ▁Australian ▁literature ▁and ▁other ▁affairs . ▁ ▁One ▁of ▁Martin ' s ▁most ▁solid ▁achiev ements ▁was ▁the ▁publication ▁of ▁a ▁work ▁entitled ▁" Austral ia ▁and ▁the ▁Empire ", ▁spe cially ▁dedicated ▁to ▁the ▁First ▁Lord ▁of ▁the ▁Tre as ury , ▁Mr . ▁B alf our . ▁The ▁opening ▁ess ay ▁in ▁this ▁work , ▁entitled ▁" Ro bert ▁L owe ▁in ▁Sydney ," ▁formed ▁the ▁nucle us ▁of ▁the ▁undert aking ▁on ▁which ▁Martin ▁later ▁worked ▁on — the ▁complete ▁political ▁bi ography ▁of ▁Lord ▁Sher bro oke . ▁Among ▁other ▁literary ▁efforts ▁in ▁London ▁may ▁be ▁mentioned ▁" O ak - b ough ▁and ▁W attle - bl oss om ," ▁the ▁first ▁of ▁those ▁collect ive ▁stories ▁by ▁" Austral ians ▁in ▁England " ▁of ▁which ▁there ▁are ▁now ▁quite ▁a ▁series . ▁" Over - the - Se a ▁St ories ▁for ▁the ▁Children ▁of ▁Two ▁World s " ▁a ▁prof us ely ▁illustrated ▁gift - book , ▁is ▁also ▁a ▁collection ▁by ▁Martin . ▁Martin ▁married ▁a ▁wid ow , ▁Har ri ette ▁Anne ▁Bull en ▁( d augh ter ▁of ▁Dr ▁John ▁Moore ▁Cook es ley ) ▁on ▁ 1 1 ▁January ▁ 1 8 8 6 ▁in ▁London . ▁T ogether ▁they ▁wrote ▁verse ▁and ▁organ ised ▁the ▁publications ▁of ▁exp atri ate ▁Austral ians ▁in ▁various ▁period ical s . ▁ ▁Martin '