▁journ als ▁and ▁edited ▁Lit au en ▁as ▁well ▁as ▁published ▁three ▁separate ▁book lets ▁with ▁his ▁th esis ▁on ▁the ▁Re formation , ▁about ▁Lith u ania ' s ▁economy ▁to ▁encou rage ▁foreign ▁trade ▁and ▁invest ments , ▁and ▁about ▁the ▁eth nic ▁composition ▁of ▁the ▁G rod no ▁Governor ate ▁to ▁subst anti ate ▁Lith u ania ' s ▁territorial ▁claims ▁in ▁the ▁region . ▁He ▁also ▁attended ▁the ▁Lith uan ian ▁con ferences ▁during ▁World ▁War ▁I ▁that ▁were ▁held ▁in ▁Switzerland . ▁ ▁Work ▁for ▁Lith u ania ' s ▁independence ▁ ▁Un o fficial ▁diplom at ▁Lith u ani ans ▁in ▁Switzerland ▁established ▁contacts ▁with ▁Matth ias ▁Erz berger , ▁an ▁influ ential ▁German ▁politician ▁of ▁the ▁Centre ▁Party ▁and ▁an ▁al umn us ▁of ▁the ▁University ▁of ▁F rib ourg . ▁While ▁on ▁his ▁way ▁to ▁Rome ▁to ▁meet ▁the ▁po pe , ▁he ▁met ▁with ▁Lith uan ian ▁represent atives ▁on ▁ 2 2 ▁August ▁ 1 9 1 7 ▁in ▁Brun nen ▁and ▁proposed ▁to ▁establish ▁a ▁constitution al ▁mon archy ▁in ▁Lith u ania ▁and ▁elect ▁a ▁German ▁monarch ▁to ▁prevent ▁the ▁German ▁plan ▁for ▁a ▁personal ▁union ▁between ▁Lith u ania ▁and ▁the ▁Kingdom ▁of ▁Pr uss ia . ▁Three ▁Lith uan ian ▁represent atives ▁– ▁Pur ick is , ▁Konst ant inas ▁Ol š aus k as , ▁and ▁Ant anas ▁Ste pon ait is ▁– ▁tra ve led ▁to ▁German - occup ied ▁Lith u ania ▁to ▁report ▁on ▁the