rian ▁government ▁gave ▁him ▁the ▁task ▁of ▁organ ising ▁the ▁International ▁Phil atel ic ▁Ex hib ition ▁in ▁Vienna ▁( W IP A ▁ 1 9 3 3 ), ▁one ▁of ▁the ▁largest ▁phil atel ic ▁exhib itions ▁in ▁the ▁world ▁before ▁World ▁War ▁II . ▁Because ▁of ▁the ▁great ▁success ▁of ▁the ▁W IP A , ▁he ▁was ▁even ▁awarded ▁hon ours ▁by ▁the ▁state . ▁In ▁the ▁same ▁year , ▁Müller ▁became ▁the ▁president ▁of ▁the ▁F édération ▁Intern ationale ▁de ▁la ▁Pres se ▁Phil at é lique . ▁ ▁After ▁the ▁An sch l uß ▁of ▁Austria ▁with ▁the ▁German ▁Reich ▁in ▁ 1 9 3 8 , ▁Müller ▁took ▁refuge ▁in ▁the ▁United ▁States . ▁He ▁changed ▁his ▁name ▁to ▁Ed win ▁Mu eller ▁and ▁in ▁the ▁following ▁years , ▁he ▁continued ▁his ▁phil atel ic ▁studies ▁and ▁acted ▁as ▁an ▁au ction e er ▁for ▁the ▁first ▁time . ▁Among st ▁other ▁purs uits , ▁he ▁was ▁a ▁stamp ▁deal er , ▁forming ▁the ▁Mercur y ▁St amp ▁Company ▁in ▁ 1 9 5 4 , ▁and ▁was ▁the ▁author ▁of ▁phil atel ic ▁journ als ▁until ▁his ▁death ▁in ▁New ▁York . ▁ ▁Selected ▁publications ▁ ▁Groß es ▁Hand buch ▁der ▁Ab st emp el ungen ▁von ▁Alt ö sterreich ▁und ▁L om bar de i - V en et ien , ▁Vienna ▁ 1 9 2 5 ▁ ▁Die ▁Post mark en ▁von ▁Österreich , ▁Vienna ▁ 1 9 2 7 ▁ ▁Die ▁Post st emp