▁o ström ischen ▁Reich es ▁( 5 2 7 - 1 4 5 3 ) ▁( History ▁of ▁By z antine ▁Liter ature ▁from ▁Justin ian ▁to ▁the ▁Fall ▁of ▁the ▁East ▁Roman ▁Empire ) ▁in ▁ 1 8 9 1 . ▁A ▁second ▁edition ▁was ▁published ▁in ▁ 1 8 9 7 , ▁with ▁the ▁collaboration ▁of ▁Albert ▁Ehr hard ▁( section ▁on ▁the ology ) ▁and ▁Heinrich ▁Gel zer ▁( general ▁sketch ▁of ▁By z antine ▁history , ▁AD ▁ 3 9 5 - 1 4 5 3 ). ▁The ▁value ▁of ▁the ▁work ▁was ▁greatly ▁en hanced ▁by ▁its ▁length y ▁bibli ograph ies ▁ ▁and ▁it ▁remained ▁a ▁standard ▁text book ▁for ▁dec ades . ▁ ▁Kr umb acher ' s ▁extensive ▁travel s ▁in ▁Greece ▁and ▁the ▁Ott oman ▁Empire ▁became ▁the ▁basis ▁of ▁his ▁Gr iech ische ▁Re ise ▁( 1 8 8 6 ). ▁His ▁notable ▁works ▁include ▁studies ▁of ▁the ▁poetry ▁of ▁Michael ▁G ly k as ▁( 1 8 9 4 ) ▁and ▁K ass ia ▁( 1 8 9 7 ) ▁and ▁Pop ul äre ▁Auf s ätze ▁( 1 9 0 0 ). ▁In ▁Das ▁Problem ▁der ▁neu gr iech ischen ▁Schrift sp rache ▁( 1 9 0 2 ) ▁he ▁strongly ▁opposed ▁the ▁efforts ▁of ▁the ▁Kath are vous a ▁pur ists ▁to ▁introduce ▁the ▁classical ▁style ▁into ▁modern ▁Greek ▁language ▁and ▁literature . ▁A ▁full ▁list ▁of ▁his ▁works ▁was ▁published ▁in ▁the ▁mem orial ▁edition ▁of ▁By z antin